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Antoine
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Hello, I work on Raspberry Pi and ADS-B receivers to feed FR24 and Radarvirtuel and yesterday I discovered the Stratux project. I tested it with Foreflight and could see my local traffics  . But I'm flying in Europe and I love SD, is there a way to use Stratux signals with SD ? Or stratux's support can be added in addition of Flarm ? Regards, Antoine
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Sky Painter
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+xI work on Raspberry Pi and ADS-B receivers to feed FR24 and Radarvirtuel and yesterday I discovered the Stratux project. I tested it with Foreflight and could see my local traffics . But I'm flying in Europe and I love SD, is there a way to use Stratux signals with SD ? Or stratux's support can be added in addition of Flarm ?
Regards,
Antoine You should take a look here:- http://www.pilotaware.com
Mike _________________________________________ Samsung Galaxy Tab A8 – Android 11.0 & SD 4.1.2 Huawei P30 – Android 11.0 & SD 4.1.2
PC – Windows 10 (Home Ed) Version 22H2, Build 19045.6332, SD 4.1.2
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Antoine
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Hello Mike, I've heard about Pilotaware a few days ago, but after thinking about it, I don't want to buy one. Here are the reasons (for me) : - they're out of stock - it's expensive (>150£) and needs to buy a new licence every year - it doesn't detect the Flarm equipped aircrafts (usually Gliders and Helicopters) If I use my own Raspberry with stratux and flarm (with two tnt dongles), I think I'll have a more usefull device for less money  So I'm very interested on native stratux integration in SD. Antoine
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Tim Dawson
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I do not believe Stratux is a popular traffic awareness solution in Europe so we couldn't (yet) add an option for it in SkyDemon. However there's nothing to stop you taking Stratux output and making it conform to the FLARM protocol, like PilotAware does, at which point SkyDemon will recognise it.
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Paul_Sengupta
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I think you've understood correctly.
Sky Demon now offers the GDL-90 protocol which I think Stratux uses. However I don't think Sky Demon is currently set up to monitor the correct IP address or ports. Is this change in the pipeline?
Antoine, have you got the Flarm reception to also output over the GDL-90 protocol or somehow also feed into the Stratux software?
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piperpa28
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Stratux can be used with SD with DL90 and FLARM. You need to compile stratux from GitHub FLARM-Network and update the files in the stratux image. You also need to make sure, that the ip from stratux will be changed from 192.168.10.1 to 192.168.1.1. Don't forget to correct /etc/dhcpd/dhcpd.conf for the new ip range. GDL90 is not stable at the moment, so at the moment i can live with FLARM Kind regards Stefan
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eight10man
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How do you change the IP Address on the Raspberry Pi running the standard Statux image?
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piperpa28
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+xHow do you change the IP Address on the Raspberry Pi running the standard Statux image? You need to login via SSH and change /etc/network/interfaces and change 192.168.10.1 to 192.168.1.1 As i mentioned in Post 7 you need also to change the ip range for DHCP for the subnet 192.168.1.0/24
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Paul_Sengupta
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Just tried it with the latest Sky Demon and I'm receiving traffic from my Stratux via the GDL-90 protocol and the default Stratux address of 192.168.10.1.
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piperpa28
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+xJust tried it with the latest Sky Demon and I'm receiving traffic from my Stratux via the GDL-90 protocol and the default Stratux address of 192.168.10.1. That's correct for GDL-90, if you would use FLARM the stratux ip address needs to be 192.168.1.1 - it's a different way how the data will be provided.
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crablab
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Hi,
I've tried this with the specific version of Statux above, and using the GDL-90 data source on SkyDemon and I keep getting the "cannot connect" error.
Any further information on how to get this to work?
Thanks,
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Paul_Sengupta
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I think you're confusing the two.
The standard Stratux works with GDL-90 and is now supported by Sky Demon.
Previously the correct protocol and IP address for Stratux weren't supported, therefore the specific version above was mentioned which used the Flarm protocol, and also a method was posted on how to put Stratux on the correct IP address for this.
If you use the standard Stratux version now, all will be well.
As an aside, PilotAware also gives you Mode C and non-ADS-B Mode S bearingless detection, and it also has its own transceiver in it to broadcast to and detect other PilotAware units. I know in the UK they've sold over a thousand units and the more units out there, the greater the number of aircraft which can be seen using such a unit. I only have a Mode C transponder, no ADS-B.
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DavidC
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I tried my Stratux receiver on a flight yesterday and it connected using the GDL90 protocol. While it did provide navigation (GPS) position data, none of the (many) aircraft it reported was visible onscreen. Once or twice, when I started up and reconnected, nearby aircraft were briefly shown (for about 2-3 seconds) then all disappeared.
If I then connected to a PilotAware, many aircraft were visible.
Is there anything in the Stratux or SkyDemon configuration screen that is likely to be worth checking? I did have a wide altitude filter (up to 40,000 feet above/below) and this should apply to both devices.
My Stratux is running the latest build and has both 978 and 1090MHz receivers, so should be ready for any trial of ADS-B uplink, and I'd really like to be able to try that out. I have found that worked quite well in the US with ForeFlight.
--- CPL/IR/FI based in South of England
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ACW20
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Hi DavidC I've just done exactly the same as you. My skydemon connects to the Stratux and is recieving navigational data. I've also set the traffic height band filter very wide, but I see no traffic on SD
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neubamat
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+xHi DavidC I've just done exactly the same as you. My skydemon connects to the Stratux and is recieving navigational data. I've also set the traffic height band filter very wide, but I see no traffic on SD Traffic is shown in Avare with recent stratux builds, but not in SD. Last working version with traffic in SD is Stratux 1.3b2. Starting with stratux 1.3 ahrs support was added and improved with later releases. Before 1.3b3 stratux sent gps altitude as pressure altitude if pressure alt wasn't available. This was removed with 1.3b3 and pressure altitude is send as invalid. However, gps altitude is send correctly. It looks like SD relies on pressure alt. Connecting an MPU9250 with BMP280 should solve the issue ( https://github.com/cyoung/stratux/wiki/All-About-AHRS). Otherwise SD should support using GPS alt if pressure alt isn't available (like other EFB).
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Tim Dawson
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If a traffic device sends only GPS altitude and not pressure altitude, we could not possibly give advice on other traffic because we would have no way of determining their relative altitude.
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neubamat
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+xIf a traffic device sends only GPS altitude and not pressure altitude, we could not possibly give advice on other traffic because we would have no way of determining their relative altitude. Thanks Tim, that's true. I think the proper way is to equip stratux devices at least with BMP280 sensors (~5€). I've ordered a MPU9250+BMP280 (~15€) that offers gyroscope, accelerometer, magnetic compass and pressure sensor.
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rg
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I’ve installed the usb gps and Adsb dongles from pilot aware into a pi 3, installed stratus 1.2r2 and SkyDemon is displaying traffic from it. I’ll now order the Stratux dongles to try out this weather uplink from SD HQ. If it works well I’ll try and get one of those AHRS boards shipped from the states.
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neubamat
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Got my MPU9250+BMP280 module today and connected it to raspberry's GPIO pins. I'm seeing traffic in SD with the latest stratux release... as expected 
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rg
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+xGot my MPU9250+BMP280 module today and connected it to raspberry's GPIO pins. I'm seeing traffic in SD with the latest stratux release... as expected Can you post a link to the module you purchased?
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neubamat
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+x+xGot my MPU9250+BMP280 module today and connected it to raspberry's GPIO pins. I'm seeing traffic in SD with the latest stratux release... as expected Can you post a link to the module you purchased? Yes, it's a MPU9250 BMP280 10DOF. I bought it from a local/german seller, but the linked one looks exactly like mine. Mapping to raspberry pins (fsync isn't required/available): - 3V3 - pin 1
- GND - pin 6
- SCL - pin 5
- SDA - pin 3
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Telefisch
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Hello, I also tried the MPU9250-BMP280 Module.
On stratux page, I got traffic, GPS and AHRS Data.
In SD I couldn‘t See anything.
Connected via GDL90 and got position from stratux but no traffic.
Under menu traffic, I only have a black background with a thin red cross.
Any ideas?
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neubamat
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+xHello, I also tried the MPU9250-BMP280 Module. On stratux page, I got traffic, GPS and AHRS Data. In SD I couldn‘t See anything. Connected via GDL90 and got position from stratux but no traffic. Under menu traffic, I only have a black background with a thin red cross. Any ideas? Try Setup - Navigation Options - Other Traffic and increase "Show Within Vertically" threshold. SD filters irrelevant traffic to declutter your map.
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Viscab
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I would love if this thread could be kept alive, I'm considering building a stratux with ahrs myself, and would love if it got integrated in to skydemon
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Telefisch
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+x
Try Setup - Navigation Options - Other Traffic and increase "Show Within Vertically" threshold. SD filters irrelevant traffic to declutter your map. Thanks for that Tip,
I'll give it a try, next time the weather will let me fly.
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Telefisch
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+x+x
Try Setup - Navigation Options - Other Traffic and increase "Show Within Vertically" threshold. SD filters irrelevant traffic to declutter your map. Thanks for that Tip,
I'll give it a try, next time the weather will let me fly. Ok, meanwhile I went flying and was a bit disappointed. I thought, that perhaps I could see Mode-S Transmitters but that was a fault. Even a SAR-helicopter in AD-Pattern wasn't visible in Stratux / SD so I think it is useless weight here in germany.
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rg
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Have you installed the latest stratux software? And if so have you got the ahrs chip (which includes the baro sensor)? If no baro sensor you’ll not see traffic in SkyDemon unless you downgrade stratux software to 1.2 but you should see the traffic on the stratux web page.
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Telefisch
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Yes, I have installed the MPU9250-BMP280. If Software is at latest version, I need to check. But as I know by now, most Transponders do obviously not send position signals. 
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TouchTheSky
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+xHave you installed the latest stratux software? And if so have you got the ahrs chip (which includes the baro sensor)? If no baro sensor you’ll not see traffic in SkyDemon unless you downgrade stratux software to 1.2 but you should see the traffic on the stratux web page. Sorry for coming back to this topic. Can someone confirm that the baro sensor is required to see traffic in SD?
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rg
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Group: Forum Members
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+x+xHave you installed the latest stratux software? And if so have you got the ahrs chip (which includes the baro sensor)? If no baro sensor you’ll not see traffic in SkyDemon unless you downgrade stratux software to 1.2 but you should see the traffic on the stratux web page. Sorry for coming back to this topic. Can someone confirm that the baro sensor is required to see traffic in SD? Yes it is.
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TouchTheSky
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Is there any particular reason for it?
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rg
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TouchTheSky
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Tim Dawson
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If you were expecting an ADS-B receiver to somehow show plain mode C/S data then your expectations were at fault. It'll be better in the future, though - as long as everybody equips with ADS-B out equipment, which is certainly the future of electronic conspicuity.
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popov
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Hey. So I just stumbled over Stratux yesterday and then after a quick google found this thread. Would any of you guys that have Stratux working with SD be willing to put together a guide to this? What is the equipment list to buy? How to get it working or links to the popper guides to follow? Would save me and others for much time on google Thanks, -alex
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Telefisch
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TouchTheSky
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+xHey. So I just stumbled over Stratux yesterday and then after a quick google found this thread. Would any of you guys that have Stratux working with SD be willing to put together a guide to this? What is the equipment list to buy? How to get it working or links to the popper guides to follow? Would save me and others for much time on google Thanks, -alex Absolutely, I just started to build a Stratux version for my flying purposes in Germany, replacing 978MHz UAT with 868MHz FLARM support and of course running it with SkyDemon. I'll give you an update as soon as something is running in my lab. There are a couple of challenges to build Stratux here as almost all "shopping lists" are US based and some components that are listed there are simply not available here in Germany (e.g. Stratux cases). My vision is to be able to provide a shopping list for Europe and a related built manual, similar to some of the US web sites. Best, Stefan
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TouchTheSky
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Initial tests successful, only one SDR @ 1090 MHz installed at this point. I wonder how much it would take to also display "Basic Mode S" traffic as circles with a predicted distance based on changes in the power received by Stratux. Currently this is not supported in the latest Stratux built.  
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rg
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+xInitial tests successful, only one SDR @ 1090 MHz installed at this point. I wonder how much it would take to also display "Basic Mode S" traffic as circles with a predicted distance based on changes in the power received by Stratux. Currently this is not supported in the latest Stratux built. I really like the Stratux solution. Have you implemented a flarm connection or is this GDL90? My understanding is the bearingless targets won't be possible over GDL90 but this thread may be of interest. https://github.com/cyoung/stratux/issues/489
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TouchTheSky
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I connected via GDL90 because I thought this would be the only option to combine Stratux with SD. Is a FLARM based connection possible as well?
Thanks btw. for the link to the thread, I was almost already writing a feature request to cyoung. I understand that there are mixed opinions about such a feature but at least getting a warning about another Mode S target on the same flight level that is coming closer would be helpful.
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rg
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Group: Forum Members
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+xI connected via GDL90 because I thought this would be the only option to combine Stratux with SD. Is a FLARM based connection possible as well? Thanks btw. for the link to the thread, I was almost already writing a feature request to cyoung. I understand that there are mixed opinions about such a feature but at least getting a warning about another Mode S target on the same flight level that is coming closer would be helpful. Its looks to me like someone has created a Flarm based fork of Stratux but I've not tried it. I just use the default build and connect via GDL90 but if mode S range rings were possible it would be a winner.
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TouchTheSky
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+x+xI connected via GDL90 because I thought this would be the only option to combine Stratux with SD. Is a FLARM based connection possible as well? Thanks btw. for the link to the thread, I was almost already writing a feature request to cyoung. I understand that there are mixed opinions about such a feature but at least getting a warning about another Mode S target on the same flight level that is coming closer would be helpful. Its looks to me like someone has created a Flarm based fork of Stratux but I've not tried it. I just use the default build and connect via GDL90 but if mode S range rings were possible it would be a winner. Indeed. I will try the FLARM fork of Stratux soon with my second SDR but this is only for receiving FLARM traffic, right? Isn't it a separate thing based on which protocols (GDL90 or FLARM) to connect with the EFB? The earlier mentioned "flarm-network" fork does no longer exist ...
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techie59
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+x+x+xI connected via GDL90 because I thought this would be the only option to combine Stratux with SD. Is a FLARM based connection possible as well? Thanks btw. for the link to the thread, I was almost already writing a feature request to cyoung. I understand that there are mixed opinions about such a feature but at least getting a warning about another Mode S target on the same flight level that is coming closer would be helpful. Its looks to me like someone has created a Flarm based fork of Stratux but I've not tried it. I just use the default build and connect via GDL90 but if mode S range rings were possible it would be a winner. Indeed. I will try the FLARM fork of Stratux soon with my second SDR but this is only for receiving FLARM traffic, right? Isn't it a separate thing based on which protocols (GDL90 or FLARM) to connect with the EFB? The earlier mentioned "flarm-network" fork does no longer exist ... Well done Touchthesky!! I just finish building my Stratux (after a trip to the US and purchase of the equipment on amazon.com). I get the GPS location but I don't see the traffic on SD even if I see planes on the Stratux app. What configuration of traffic have you implemented on the SD app? I would like to try myself. Thanks to share your tips. It will be interesting to know when SD will be able to display an artificial horizon. :-) Etienne
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TouchTheSky
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Etienne,
first of all make sure that:
- your SD device is connected to Stratux WiFi
- under SD Settings/Third-Party Devices SkyEcho, iLevil is selected
- under SD Settings/Navigation Options/Other Traffic/show Within e.g. 50.000 ft or more is selected
Then you have to "Go Flying" in SD using SkyEcho, iLevil and you must see all ADS-B traffic that you see on Stratux.
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techie59
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Thanks for the tips. It does work very well!
Any tips regarding the weather?
Please note that I have found an app on Android (Speedify) which allows me to be connected both at the same time on the Stratux wifi and the 4G connection. Therefore, I manage to have last minute weather/wind information on the 4G even if I am connected to the Stratux wifi.
Yet, I know that the 4G connection is not ideal in the plane (connection issue) which is why I need to check if it does work with the Stratux.
Regards,
Etienne
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popov
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Hi everyone. I have been able to complete my Stratux with flarm setup. Have not been able to test the Flarm receiving yet as the snow here in Norway have put a damper on glider flying but logs indicate that it works. I ended up copy/paste the item list form stratux.me to ebay and order everything from there. 3D printed my own case as I was not happy with the one offered, I made my own remix of this one: https://www.thingiverse.com/thing:1707442I will sit down and make a step by step guide to what I did and post it here in a few days. My confusion in the start was the MPU9250+BMP280 sensor. I read some old posts from before or as this was released that confused me. It took me some time to understand that
as for weather, I find using 3/4G to be more than good enough where I fly, the easiest way to keep your 3g connection while connected to the Stratux wifi is to switch form DHCP to Static IP on your mobile device and remove the Gateway address.
Tested this on both iphone and ipad.
-alex
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popov
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+xHi everyone. I have been able to complete my Stratux with flarm setup. Have not been able to test the Flarm receiving yet as the snow here in Norway have put a damper on glider flying but logs indicate that it works. I ended up copy/paste the item list form stratux.me to ebay and order everything from there. 3D printed my own case as I was not happy with the one offered, I made my own remix of this one: https://www.thingiverse.com/thing:1707442I will sit down and make a step by step guide to what I did and post it here in a few days. My confusion in the start was the MPU9250+BMP280 sensor. I read some old posts from before or as this was released that confused me. It took me some time to understand that
as for weather, I find using 3/4G to be more than good enough where I fly, the easiest way to keep your 3g connection while connected to the Stratux wifi is to switch form DHCP to Static IP on your mobile device and remove the Gateway address.
Tested this on both iphone and ipad.
-alex
Hi all. After doing the above, to get the Stratux working with flarm based on this post: https://www.reddit.com/r/stratux/comments/6pa2nj/flarm_receiver_functionality/I did the following after loading the Stratux image on the SD card and starting the Pi: //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo raspi-config //expand file system and reboot //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo ifup eth0 //Log in using SSH to eth0 IP address sudo su systemctl start ntp service stratux stop sudo apt-get update sudo apt-get install libconfig9 sudo apt-get install libjpeg8 wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.9.linux-armv6l.tar.gz cd /root/stratux export PATH=/root/go/bin:${PATH} export GOROOT=/root/go export GOPATH=/root/go_path cd / rm -Rf /root/stratux cd && git clone https://github.com/WiringPi/WiringPi.git && cd WiringPi/wiringPi && make static && make install-static cd && git clone https://github.com/0x74-0x62/stratux.git && cd stratux && git checkout remotes/origin/devel/flarm_receiver && make && make install //Long Wait service stratux start //Finnish
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rg
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Is there any benefit to that? I'm just using the GDL90 connection from the standard Stratux install.
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TouchTheSky
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+xIs there any benefit to that? I'm just using the GDL90 connection from the standard Stratux install. If you are flying in Europe you will benefit from seeing FLARM targets. e.g. gliders, ultralights and SAR helicopters instead of the unavailable 978 UAT traffic.
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rg
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Group: Forum Members
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+x+xIs there any benefit to that? I'm just using the GDL90 connection from the standard Stratux install. If you are flying in Europe you will benefit from seeing FLARM targets. e.g. gliders, ultralights and SAR helicopters instead of the unavailable 978 UAT traffic. Oh wow! I just thought this was a FLARM connection to SD. I hadn't realized it was a FLARM receiver.
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TouchTheSky
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+x+xHi everyone. I have been able to complete my Stratux with flarm setup. Have not been able to test the Flarm receiving yet as the snow here in Norway have put a damper on glider flying but logs indicate that it works. I ended up copy/paste the item list form stratux.me to ebay and order everything from there. 3D printed my own case as I was not happy with the one offered, I made my own remix of this one: https://www.thingiverse.com/thing:1707442I will sit down and make a step by step guide to what I did and post it here in a few days. My confusion in the start was the MPU9250+BMP280 sensor. I read some old posts from before or as this was released that confused me. It took me some time to understand that
as for weather, I find using 3/4G to be more than good enough where I fly, the easiest way to keep your 3g connection while connected to the Stratux wifi is to switch form DHCP to Static IP on your mobile device and remove the Gateway address.
Tested this on both iphone and ipad.
-alex
Hi all. After doing the above, to get the Stratux working with flarm based on this post: https://www.reddit.com/r/stratux/comments/6pa2nj/flarm_receiver_functionality/I did the following after loading the Stratux image on the SD card and starting the Pi: //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo raspi-config //expand file system and reboot //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo ifup eth0 //Log in using SSH to eth0 IP address sudo su systemctl start ntp service stratux stop sudo apt-get update sudo apt-get install libconfig9 sudo apt-get install libjpeg8 wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.9.linux-armv6l.tar.gz cd /root/stratux export PATH=/root/go/bin:${PATH} export GOROOT=/root/go export GOPATH=/root/go_path cd / rm -Rf /root/stratux cd && git clone https://github.com/WiringPi/WiringPi.git && cd WiringPi/wiringPi && make static && make install-static cd && git clone https://github.com/0x74-0x62/stratux.git && cd stratux && git checkout remotes/origin/devel/flarm_receiver && make && make install //Long Wait service stratux start //Finnish Just one note: the current FLARM executable produces an (ignorable) error message with a blinking green LED. The developer is already working on it.
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popov
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Group: Forum Members
Posts: 6,
Visits: 4
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+x+x+xHi everyone. I have been able to complete my Stratux with flarm setup. Have not been able to test the Flarm receiving yet as the snow here in Norway have put a damper on glider flying but logs indicate that it works. I ended up copy/paste the item list form stratux.me to ebay and order everything from there. 3D printed my own case as I was not happy with the one offered, I made my own remix of this one: https://www.thingiverse.com/thing:1707442I will sit down and make a step by step guide to what I did and post it here in a few days. My confusion in the start was the MPU9250+BMP280 sensor. I read some old posts from before or as this was released that confused me. It took me some time to understand that
as for weather, I find using 3/4G to be more than good enough where I fly, the easiest way to keep your 3g connection while connected to the Stratux wifi is to switch form DHCP to Static IP on your mobile device and remove the Gateway address.
Tested this on both iphone and ipad.
-alex
Hi all. After doing the above, to get the Stratux working with flarm based on this post: https://www.reddit.com/r/stratux/comments/6pa2nj/flarm_receiver_functionality/I did the following after loading the Stratux image on the SD card and starting the Pi: //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo raspi-config //expand file system and reboot //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo ifup eth0 //Log in using SSH to eth0 IP address sudo su systemctl start ntp service stratux stop sudo apt-get update sudo apt-get install libconfig9 sudo apt-get install libjpeg8 wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.9.linux-armv6l.tar.gz cd /root/stratux export PATH=/root/go/bin:${PATH} export GOROOT=/root/go export GOPATH=/root/go_path cd / rm -Rf /root/stratux cd && git clone https://github.com/WiringPi/WiringPi.git && cd WiringPi/wiringPi && make static && make install-static cd && git clone https://github.com/0x74-0x62/stratux.git && cd stratux && git checkout remotes/origin/devel/flarm_receiver && make && make install //Long Wait service stratux start //Finnish Just one note: the current FLARM executable produces an (ignorable) error message with a blinking green LED. The developer is already working on it. Quick question, have you replaced the 978 mhz antenna or are you using the one that came with the Stratux kit?
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TouchTheSky
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Group: Forum Members
Posts: 153,
Visits: 4.5K
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+x+x+x+xHi everyone. I have been able to complete my Stratux with flarm setup. Have not been able to test the Flarm receiving yet as the snow here in Norway have put a damper on glider flying but logs indicate that it works. I ended up copy/paste the item list form stratux.me to ebay and order everything from there. 3D printed my own case as I was not happy with the one offered, I made my own remix of this one: https://www.thingiverse.com/thing:1707442I will sit down and make a step by step guide to what I did and post it here in a few days. My confusion in the start was the MPU9250+BMP280 sensor. I read some old posts from before or as this was released that confused me. It took me some time to understand that
as for weather, I find using 3/4G to be more than good enough where I fly, the easiest way to keep your 3g connection while connected to the Stratux wifi is to switch form DHCP to Static IP on your mobile device and remove the Gateway address.
Tested this on both iphone and ipad.
-alex
Hi all. After doing the above, to get the Stratux working with flarm based on this post: https://www.reddit.com/r/stratux/comments/6pa2nj/flarm_receiver_functionality/I did the following after loading the Stratux image on the SD card and starting the Pi: //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo raspi-config //expand file system and reboot //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo ifup eth0 //Log in using SSH to eth0 IP address sudo su systemctl start ntp service stratux stop sudo apt-get update sudo apt-get install libconfig9 sudo apt-get install libjpeg8 wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.9.linux-armv6l.tar.gz cd /root/stratux export PATH=/root/go/bin:${PATH} export GOROOT=/root/go export GOPATH=/root/go_path cd / rm -Rf /root/stratux cd && git clone https://github.com/WiringPi/WiringPi.git && cd WiringPi/wiringPi && make static && make install-static cd && git clone https://github.com/0x74-0x62/stratux.git && cd stratux && git checkout remotes/origin/devel/flarm_receiver && make && make install //Long Wait service stratux start //Finnish Just one note: the current FLARM executable produces an (ignorable) error message with a blinking green LED. The developer is already working on it. Quick question, have you replaced the 978 mhz antenna or are you using the one that came with the Stratux kit? I replaced it with the following: https://www.amazon.de/dp/B072BMBXMH/_encoding=UTF8?coliid=I3RORSKO1YA0UV&colid=3GGSQDSNIAKZP&psc=0 I am still wondering why no one is installing a recommended ground plane, see here: http://stratux.danmurray.net
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popov
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Group: Forum Members
Posts: 6,
Visits: 4
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+x+x+x+x+xHi everyone. I have been able to complete my Stratux with flarm setup. Have not been able to test the Flarm receiving yet as the snow here in Norway have put a damper on glider flying but logs indicate that it works. I ended up copy/paste the item list form stratux.me to ebay and order everything from there. 3D printed my own case as I was not happy with the one offered, I made my own remix of this one: https://www.thingiverse.com/thing:1707442I will sit down and make a step by step guide to what I did and post it here in a few days. My confusion in the start was the MPU9250+BMP280 sensor. I read some old posts from before or as this was released that confused me. It took me some time to understand that
as for weather, I find using 3/4G to be more than good enough where I fly, the easiest way to keep your 3g connection while connected to the Stratux wifi is to switch form DHCP to Static IP on your mobile device and remove the Gateway address.
Tested this on both iphone and ipad.
-alex
Hi all. After doing the above, to get the Stratux working with flarm based on this post: https://www.reddit.com/r/stratux/comments/6pa2nj/flarm_receiver_functionality/I did the following after loading the Stratux image on the SD card and starting the Pi: //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo raspi-config //expand file system and reboot //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo ifup eth0 //Log in using SSH to eth0 IP address sudo su systemctl start ntp service stratux stop sudo apt-get update sudo apt-get install libconfig9 sudo apt-get install libjpeg8 wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.9.linux-armv6l.tar.gz cd /root/stratux export PATH=/root/go/bin:${PATH} export GOROOT=/root/go export GOPATH=/root/go_path cd / rm -Rf /root/stratux cd && git clone https://github.com/WiringPi/WiringPi.git && cd WiringPi/wiringPi && make static && make install-static cd && git clone https://github.com/0x74-0x62/stratux.git && cd stratux && git checkout remotes/origin/devel/flarm_receiver && make && make install //Long Wait service stratux start //Finnish Just one note: the current FLARM executable produces an (ignorable) error message with a blinking green LED. The developer is already working on it. Quick question, have you replaced the 978 mhz antenna or are you using the one that came with the Stratux kit? I replaced it with the following: https://www.amazon.de/dp/B072BMBXMH/_encoding=UTF8?coliid=I3RORSKO1YA0UV&colid=3GGSQDSNIAKZP&psc=0 I am still wondering why no one is installing a recommended ground plane, see here: http://stratux.danmurray.net Thank you This was awesome info!
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TouchTheSky
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Group: Forum Members
Posts: 153,
Visits: 4.5K
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+x+x+x+x+xHi everyone. I have been able to complete my Stratux with flarm setup. Have not been able to test the Flarm receiving yet as the snow here in Norway have put a damper on glider flying but logs indicate that it works. I ended up copy/paste the item list form stratux.me to ebay and order everything from there. 3D printed my own case as I was not happy with the one offered, I made my own remix of this one: https://www.thingiverse.com/thing:1707442I will sit down and make a step by step guide to what I did and post it here in a few days. My confusion in the start was the MPU9250+BMP280 sensor. I read some old posts from before or as this was released that confused me. It took me some time to understand that
as for weather, I find using 3/4G to be more than good enough where I fly, the easiest way to keep your 3g connection while connected to the Stratux wifi is to switch form DHCP to Static IP on your mobile device and remove the Gateway address.
Tested this on both iphone and ipad.
-alex
Hi all. After doing the above, to get the Stratux working with flarm based on this post: https://www.reddit.com/r/stratux/comments/6pa2nj/flarm_receiver_functionality/I did the following after loading the Stratux image on the SD card and starting the Pi: //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo raspi-config //expand file system and reboot //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo ifup eth0 //Log in using SSH to eth0 IP address sudo su systemctl start ntp service stratux stop sudo apt-get update sudo apt-get install libconfig9 sudo apt-get install libjpeg8 wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.9.linux-armv6l.tar.gz cd /root/stratux export PATH=/root/go/bin:${PATH} export GOROOT=/root/go export GOPATH=/root/go_path cd / rm -Rf /root/stratux cd && git clone https://github.com/WiringPi/WiringPi.git && cd WiringPi/wiringPi && make static && make install-static cd && git clone https://github.com/0x74-0x62/stratux.git && cd stratux && git checkout remotes/origin/devel/flarm_receiver && make && make install //Long Wait service stratux start //Finnish Just one note: the current FLARM executable produces an (ignorable) error message with a blinking green LED. The developer is already working on it. Quick question, have you replaced the 978 mhz antenna or are you using the one that came with the Stratux kit? I replaced it with the following: https://www.amazon.de/dp/B072BMBXMH/_encoding=UTF8?coliid=I3RORSKO1YA0UV&colid=3GGSQDSNIAKZP&psc=0 I am still wondering why no one is installing a recommended ground plane, see here: http://stratux.danmurray.net According to Dan Murray, the benefit of the ground plane is negligible, compared to the potential risk of short-circuiting the Pi board.
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popov
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Group: Forum Members
Posts: 6,
Visits: 4
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+x+x+x+x+x+xHi everyone. I have been able to complete my Stratux with flarm setup. Have not been able to test the Flarm receiving yet as the snow here in Norway have put a damper on glider flying but logs indicate that it works. I ended up copy/paste the item list form stratux.me to ebay and order everything from there. 3D printed my own case as I was not happy with the one offered, I made my own remix of this one: https://www.thingiverse.com/thing:1707442I will sit down and make a step by step guide to what I did and post it here in a few days. My confusion in the start was the MPU9250+BMP280 sensor. I read some old posts from before or as this was released that confused me. It took me some time to understand that
as for weather, I find using 3/4G to be more than good enough where I fly, the easiest way to keep your 3g connection while connected to the Stratux wifi is to switch form DHCP to Static IP on your mobile device and remove the Gateway address.
Tested this on both iphone and ipad.
-alex
Hi all. After doing the above, to get the Stratux working with flarm based on this post: https://www.reddit.com/r/stratux/comments/6pa2nj/flarm_receiver_functionality/I did the following after loading the Stratux image on the SD card and starting the Pi: //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo raspi-config //expand file system and reboot //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo ifup eth0 //Log in using SSH to eth0 IP address sudo su systemctl start ntp service stratux stop sudo apt-get update sudo apt-get install libconfig9 sudo apt-get install libjpeg8 wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.9.linux-armv6l.tar.gz cd /root/stratux export PATH=/root/go/bin:${PATH} export GOROOT=/root/go export GOPATH=/root/go_path cd / rm -Rf /root/stratux cd && git clone https://github.com/WiringPi/WiringPi.git && cd WiringPi/wiringPi && make static && make install-static cd && git clone https://github.com/0x74-0x62/stratux.git && cd stratux && git checkout remotes/origin/devel/flarm_receiver && make && make install //Long Wait service stratux start //Finnish Just one note: the current FLARM executable produces an (ignorable) error message with a blinking green LED. The developer is already working on it. Quick question, have you replaced the 978 mhz antenna or are you using the one that came with the Stratux kit? I replaced it with the following: https://www.amazon.de/dp/B072BMBXMH/_encoding=UTF8?coliid=I3RORSKO1YA0UV&colid=3GGSQDSNIAKZP&psc=0 I am still wondering why no one is installing a recommended ground plane, see here: http://stratux.danmurray.net According to Dan Murray, the benefit of the ground plane is negligible, compared to the potential risk of short-circuiting the Pi board. Got to ask just to be sure as English is not my native language: Do you mean that the ground plane help prevent short-circuiting or increases the risk of short-circuiting?
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TouchTheSky
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Group: Forum Members
Posts: 153,
Visits: 4.5K
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+x+x+x+x+x+x+xHi everyone. I have been able to complete my Stratux with flarm setup. Have not been able to test the Flarm receiving yet as the snow here in Norway have put a damper on glider flying but logs indicate that it works. I ended up copy/paste the item list form stratux.me to ebay and order everything from there. 3D printed my own case as I was not happy with the one offered, I made my own remix of this one: https://www.thingiverse.com/thing:1707442I will sit down and make a step by step guide to what I did and post it here in a few days. My confusion in the start was the MPU9250+BMP280 sensor. I read some old posts from before or as this was released that confused me. It took me some time to understand that
as for weather, I find using 3/4G to be more than good enough where I fly, the easiest way to keep your 3g connection while connected to the Stratux wifi is to switch form DHCP to Static IP on your mobile device and remove the Gateway address.
Tested this on both iphone and ipad.
-alex
Hi all. After doing the above, to get the Stratux working with flarm based on this post: https://www.reddit.com/r/stratux/comments/6pa2nj/flarm_receiver_functionality/I did the following after loading the Stratux image on the SD card and starting the Pi: //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo raspi-config //expand file system and reboot //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo ifup eth0 //Log in using SSH to eth0 IP address sudo su systemctl start ntp service stratux stop sudo apt-get update sudo apt-get install libconfig9 sudo apt-get install libjpeg8 wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.9.linux-armv6l.tar.gz cd /root/stratux export PATH=/root/go/bin:${PATH} export GOROOT=/root/go export GOPATH=/root/go_path cd / rm -Rf /root/stratux cd && git clone https://github.com/WiringPi/WiringPi.git && cd WiringPi/wiringPi && make static && make install-static cd && git clone https://github.com/0x74-0x62/stratux.git && cd stratux && git checkout remotes/origin/devel/flarm_receiver && make && make install //Long Wait service stratux start //Finnish Just one note: the current FLARM executable produces an (ignorable) error message with a blinking green LED. The developer is already working on it. Quick question, have you replaced the 978 mhz antenna or are you using the one that came with the Stratux kit? I replaced it with the following: https://www.amazon.de/dp/B072BMBXMH/_encoding=UTF8?coliid=I3RORSKO1YA0UV&colid=3GGSQDSNIAKZP&psc=0 I am still wondering why no one is installing a recommended ground plane, see here: http://stratux.danmurray.net According to Dan Murray, the benefit of the ground plane is negligible, compared to the potential risk of short-circuiting the Pi board. Got to ask just to be sure as English is not my native language: Do you mean that the ground plane help prevent short-circuiting or increases the risk of short-circuiting? No, the other way round. It is a risk to use the ground plane.
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xls125martins
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Group: Forum Members
Posts: 2,
Visits: 0
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+x+xHi everyone. I have been able to complete my Stratux with flarm setup. Have not been able to test the Flarm receiving yet as the snow here in Norway have put a damper on glider flying but logs indicate that it works. I ended up copy/paste the item list form stratux.me to ebay and order everything from there. 3D printed my own case as I was not happy with the one offered, I made my own remix of this one: https://www.thingiverse.com/thing:1707442I will sit down and make a step by step guide to what I did and post it here in a few days. My confusion in the start was the MPU9250+BMP280 sensor. I read some old posts from before or as this was released that confused me. It took me some time to understand that
as for weather, I find using 3/4G to be more than good enough where I fly, the easiest way to keep your 3g connection while connected to the Stratux wifi is to switch form DHCP to Static IP on your mobile device and remove the Gateway address.
Tested this on both iphone and ipad.
-alex
Hi all. After doing the above, to get the Stratux working with flarm based on this post: https://www.reddit.com/r/stratux/comments/6pa2nj/flarm_receiver_functionality/I did the following after loading the Stratux image on the SD card and starting the Pi: //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo raspi-config //expand file system and reboot //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo ifup eth0 //Log in using SSH to eth0 IP address sudo su systemctl start ntp service stratux stop sudo apt-get update sudo apt-get install libconfig9 sudo apt-get install libjpeg8 wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.9.linux-armv6l.tar.gz cd /root/stratux export PATH=/root/go/bin:${PATH} export GOROOT=/root/go export GOPATH=/root/go_path cd / rm -Rf /root/stratux cd && git clone https://github.com/WiringPi/WiringPi.git && cd WiringPi/wiringPi && make static && make install-static cd && git clone https://github.com/0x74-0x62/stratux.git && cd stratux && git checkout remotes/origin/devel/flarm_receiver && make && make install //Long Wait service stratux start //Finnish Hi from France I have the same problem to install the Flarm software update as many people Does anyone have succes to install and have the Flarm option active in settings and if it's possible to give us a link to a file image (.img) of a good install thanks a lot Manuel
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PaulSS
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Group: Forum Members
Posts: 90,
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From what I understand, those antennas are end fed dipoles and, therefore, don't need a ground plane. You can attach them directly to an ADSB dongle and no other hardware is required.
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TouchTheSky
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Group: Forum Members
Posts: 153,
Visits: 4.5K
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+xFrom what I understand, those antennas are end fed dipoles and, therefore, don't need a ground plane. You can attach them directly to an ADSB dongle and no other hardware is required. Thank you this is very helpful information.
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Kevin Wolters
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Group: Forum Members
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Hi all.
So obviously i also want to use Stratux to connect with my Skydemon.
I am a little bit lost after reading all the forum content.
Should i be fine when i order (List from Stratux.me) :
- Raspberry Pi 3 Motherboard.
- Pre-programmed SD card with Stratux software.
- Stratux 1090ES & UAT - Radios and High Gain Antennas.
- Stratux Case with Fan, White ABS.
- Slim battery with cable.
- GPYes/internal
- Stratux AHRS Sensors and Fan Controller / Raspberry Pi MPU9250+BMP280.
I live in the Netherlands and i would love to see as traffic as the weather.
Are there any montly/yearly payments requested to keep the system online?
Btw. i use my Samsung Galaxy S8+ with Skydemon/
Thanks in advance!
Cheers,
Kevin Wolters
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TouchTheSky
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Group: Forum Members
Posts: 153,
Visits: 4.5K
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+xHi all. So obviously i also want to use Stratux to connect with my Skydemon. I am a little bit lost after reading all the forum content. Should i be fine when i order (List from Stratux.me) : - Raspberry Pi 3 Motherboard. - Pre-programmed SD card with Stratux software. - Stratux 1090ES & UAT - Radios and High Gain Antennas. - Stratux Case with Fan, White ABS. - Slim battery with cable. - GPYes/internal - Stratux AHRS Sensors and Fan Controller / Raspberry Pi MPU9250+BMP280. I live in the Netherlands and i would love to see as traffic as the weather. Are there any montly/yearly payments requested to keep the system online? Btw. i use my Samsung Galaxy S8+ with Skydemon/ Thanks in advance! Cheers, Kevin Wolters This should work right away if (unlike in Germany) the 978 MHz is used for UAT including weather. I am only aware of the UK 978 MHz UAT weather trial where SD is involved but otherwise I am not so sure. There are no montly/yearly payments at all involved. I just built my second Stratux which includes FLARM instead of UAT, using the same hardware but slightly modified Stratux software.
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Kevin Wolters
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Group: Forum Members
Posts: 6,
Visits: 12
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Thanks for your quick reply.
Which do you prefer? UAT or FLARM?
Cheers
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TouchTheSky
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Group: Forum Members
Posts: 153,
Visits: 4.5K
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This is no question for me, there is no UAT here in Germany and I’m afraid also not in Netherlands. Not sure about FLARM ...
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Kevin Wolters
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Group: Forum Members
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Today i received my parcel from the USA!
but unfortunately i do not receive any UAT signals.
I saw a post about this antenna:
https://www.amazon.de/dp/B072BMBXMH/_encoding=UTF8?coliid=I3RORSKO1YA0UV&colid=3GGSQDSNIAKZP&psc=0
Does this one also requires a new USB receiver? or can i just simply screw the antenna on the 978Mhz receiver?
Thanks!
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TouchTheSky
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Group: Forum Members
Posts: 153,
Visits: 4.5K
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+x I am not an antenna expert. I did however use the above 868MHz antenna from Amazon for FLARM with Stratux but when comparing it's performance with the original 978MHz antenna, there was no improvement. In fact the performance was worse ... Maybe the reason is although both antennas look similar, they may be of a different type and what I learned recently is that the original Stratux 978MHz antenna is a "Bazooka" type antenna which does not require a ground plane. As a result, I am using the 978MHz stratus antenna for 868MHz FLARM successfully. And to your question, yes, you simply use the 978Mhz receiver for FLARM.
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Kevin Wolters
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Group: Forum Members
Posts: 6,
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Sorry to bother again.. I don't get it. Yesterday i downloaded a fresh stratux image and installed it to my SD card. After i got it up and running i followed to following instructions that i found on this forum: //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo raspi-config //expand file system and reboot //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo ifup eth0 //Log in using SSH to eth0 IP address sudo su systemctl start ntp service stratux stop sudo apt-get update sudo apt-get install libconfig9 sudo apt-get install libjpeg8 wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.9.linux-armv6l.tar.gz cd /root/stratux export PATH=/root/go/bin:${PATH} export GOROOT=/root/go export GOPATH=/root/go_path cd / rm -Rf /root/stratux cd && git clone https://github.com/WiringPi/WiringPi.git && cd WiringPi/wiringPi && make static && make install-static cd && git clone https://github.com/0x74-0x62/stratux.git && cd stratux && git checkout remotes/origin/devel/flarm_receiver && make && make install //Long Wait service stratux start //Finnish After the stratux start command i got the following notice: "Warning: Unit file of stratux.service changed on disk, 'systemctl daemon-reload' recommended." How do i know if i installed it correctly? i cannot find any changes in the software or an extra Flarm button/switch or option.. I also tried to configure my 978Mhz antenna as TouchTheSky mentioned but it keeps saying scanning base stations and nothing happens.. (This is my first experiënce with Raspberry so i have got a lot to learn).
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TouchTheSky
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+xwget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gz
sudo tar -C /root -xzf go1.9.linux-armv6l.tar.gz
wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.9.linux-armv6l.tar.gzSorry to bother again.. I don't get it. Yesterday i downloaded a fresh stratux image and installed it to my SD card. After i got it up and running i followed to following instructions that i found on this forum: //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo raspi-config //expand file system and reboot //Log in using SSH over wifiHotSpot or HDMI/Keyboard sudo ifup eth0 //Log in using SSH to eth0 IP address sudo su systemctl start ntp service stratux stop sudo apt-get update sudo apt-get install libconfig9 sudo apt-get install libjpeg8 wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.9.linux-armv6l.tar.gz cd /root/stratux export PATH=/root/go/bin:${PATH} export GOROOT=/root/go export GOPATH=/root/go_path cd / rm -Rf /root/stratux cd && git clone https://github.com/WiringPi/WiringPi.git && cd WiringPi/wiringPi && make static && make install-static cd && git clone https://github.com/0x74-0x62/stratux.git && cd stratux && git checkout remotes/origin/devel/flarm_receiver && make && make install //Long Wait service stratux start //Finnish After the stratux start command i got the following notice: "Warning: Unit file of stratux.service changed on disk, 'systemctl daemon-reload' recommended." How do i know if i installed it correctly? i cannot find any changes in the software or an extra Flarm button/switch or option.. I also tried to configure my 978Mhz antenna as TouchTheSky mentioned but it keeps saying scanning base stations and nothing happens.. (This is my first experiënce with Raspberry so i have got a lot to learn). The latest FLARM version requires go version 1.10. Therefore you need to use the following go commands: wget http://storage.googleapis.com/golang/go1.10.linux-armv6l.tar.gzsudo tar -C /root -xzf go1.10.linux-armv6l.tar.gz The antenna ppm configuration is not really important, you should however eeprom the second SDR as follows: rtl_eeprom -d1 -s stx:0 This requires to stop stratux beforehand with "stxstop"
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rg
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+x you should however eeprom the second SDR as follows:
rtl_eeprom -d1 -s stx:0
This requires to stop stratux beforehand with "stxstop"
What does this do? Is it a change to the hardware or just software? Is it necessary? Reason for asking is if I just put my standard Stratux install memory card back in will it work OK??
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TouchTheSky
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+x+x you should however eeprom the second SDR as follows:
rtl_eeprom -d1 -s stx:0
This requires to stop stratux beforehand with "stxstop"
What does this do? Is it a change to the hardware or just software? Is it necessary? Reason for asking is if I just put my standard Stratux install memory card back in will it work OK?? It is in fact a change to the EEPROM of the SDRs, therefore it depends what your standard Stratux card configuration is expecting. Where are you based? Are you using 978MHz UAT with your standard Stratux card?
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rg
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Ok. Thanks. So unless you know how to reverse it I’ll need another SDR in case I want to use the UK 978 trial broadcasts again.
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TouchTheSky
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+xOk. Thanks. So unless you know how to reverse it I’ll need another SDR in case I want to use the UK 978 trial broadcasts again. Here is a post with some examples how to program two SDRs. https://github.com/cyoung/stratux/wiki/SDR-PPM-calibrationIf you have one SDR only then I would program it to "0" and through the Stratux setting page you select the one that you want to see. If you have two SDRs, I suggest that you program the first to "1090" because ADS-B should always have priority, especially here in Europe where there is no ADS-B broadcast over 978 UAT. I Furthermore I suggest you program the second to "0" because this leaves the option to select either UAT 978 or FLARM. This option only works with the FLARM Stratux version but if you plug in the Stratux standard version then it would work as well as SDR0 would be "1090" and SDR1 would be "0" and therefore used for 978 UAT. Any questions?
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Kevin Wolters
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I've got some activity on Skydemon! But on flightradar i found a airplane of my flightschool but i was unable to find it on Skydemon. does that have anything to do with the fact i'm now on the ground maybe?  
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TouchTheSky
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+xI've got some activity on Skydemon! But on flightradar i found a airplane of my flightschool but i was unable to find it on Skydemon. does that have anything to do with the fact i'm now on the ground maybe? Are you sure that this plane was sending ADS-B and/or FLARM? FlightRadar and others are using Multilateralisation to locate Mode-S only planes but Stratux does not display them.
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TouchTheSky
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Good news, now there is a ready-to-go Stratux FLARM image available which potentially will be updated on a regular basis:
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xray
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+xGood news, now there is a ready-to-go Stratux FLARM image available which potentially will be updated on a regular basis:
Congratulations, TTS, right at the first time I visit this forum I find a brand-new solution for open source FLARM application by chance! Unfortunately I'm only an average SD user, and I would like to verify whether I got it right. The configuration You describe has tuned the 978 MHz (US weather etc.) for Europe to FLARM frequency. First question: Can other AC see me with this Stratux modification or can I only see their FLARM–signal on my unit? Is it ADS-B in and out? Second question: I read the whole SD thread, but I am new to github. Means: the link https://github.com/PepperJo/stratux/releases/tag/v1.4r5-flarm is cryptic to me. I think I have to start with a Stratux unit according to stratux.me and modify this in a second step. Could You please guide my mind towards this second step? For other prospective builders too a little tutorial would surely be helpful, and the idea would be worth spreading. I would appreciate it very much. Thanks Richard
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TouchTheSky
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Group: Forum Members
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+x+xGood news, now there is a ready-to-go Stratux FLARM image available which potentially will be updated on a regular basis:
Congratulations, TTS, right at the first time I visit this forum I find a brand-new solution for open source FLARM application by chance! Unfortunately I'm only an average SD user, and I would like to verify whether I got it right. The configuration You describe has tuned the 978 MHz (US weather etc.) for Europe to FLARM frequency. First question: Can other AC see me with this Stratux modification or can I only see their FLARM–signal on my unit? Is it ADS-B in and out? Second question: I read the whole SD thread, but I am new to github. Means: the link https://github.com/PepperJo/stratux/releases/tag/v1.4r5-flarm is cryptic to me. I think I have to start with a Stratux unit according to stratux.me and modify this in a second step. Could You please guide my mind towards this second step? For other prospective builders too a little tutorial would surely be helpful, and the idea would be worth spreading. I would appreciate it very much. Thanks Richard Richard,
Answer 1: Stratux is not transmitting any signal, unlike PilotAware does. Therefore it is only FLARM in & ADS-B in. Answer 2: You have to start based on a standard Stratux hardware and flash a microSD card with the above mentioned image file.
I will compile a litte tutorial over the next couple of days.
If you don't want to bother with this, I can offer a ready to run version for sale because I have already built a couple of devices for testing. I don't want to make a substantial business out of it (my bill of material per device was roughly € 150,-) but would sell it for € 299,- potentially through eBay. I am also working on a "premium" version with SuperF Antennas for € 349,-
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xray
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+x+x+xGood news, now there is a ready-to-go Stratux FLARM image available which potentially will be updated on a regular basis:
Congratulations, TTS, right at the first time I visit this forum I find a brand-new solution for open source FLARM application by chance! Unfortunately I'm only an average SD user, and I would like to verify whether I got it right. The configuration You describe has tuned the 978 MHz (US weather etc.) for Europe to FLARM frequency. First question: Can other AC see me with this Stratux modification or can I only see their FLARM–signal on my unit? Is it ADS-B in and out? Second question: I read the whole SD thread, but I am new to github. Means: the link https://github.com/PepperJo/stratux/releases/tag/v1.4r5-flarm is cryptic to me. I think I have to start with a Stratux unit according to stratux.me and modify this in a second step. Could You please guide my mind towards this second step? For other prospective builders too a little tutorial would surely be helpful, and the idea would be worth spreading. I would appreciate it very much. Thanks Richard Richard,
Answer 1: Stratux is not transmitting any signal, unlike PilotAware does. Therefore it is only FLARM in & ADS-B in. Answer 2: You have to start based on a standard Stratux hardware and flash a microSD card with the above mentioned image file.
I will compile a litte tutorial over the next couple of days.
If you don't want to bother with this, I can offer a ready to run version for sale because I have already built a couple of devices for testing. I don't want to make a substantial business out of it (my bill of material per device was roughly € 150,-) but would sell it for € 299,- potentially through eBay. I am also working on a "premium" version with SuperF Antennas for € 349,-
...both ideas are interesting for me. My transponder does not have extended squitter; so it is a pity that Stratux is only ADS-B in.
Surely the FLARM - process is still proprietary. Thanks
Richard
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Tim Dawson
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That's interesting; does it add native FLARM decoding to Stratux?
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TouchTheSky
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+xThat's interesting; does it add native FLARM decoding to Stratux? Yes, it does. If you need a device for testing with SD I am more than happy to send you one.
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Tim Dawson
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That's pretty cool. I don't need a device for testing, but it's nice to know that someone has developed a device that receives and decodes FLARM, presumably without getting an explicit license to do so from FLARM themselves.
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TouchTheSky
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+xThat's pretty cool. I don't need a device for testing, but it's nice to know that someone has developed a device that receives and decodes FLARM, presumably without getting an explicit license to do so from FLARM themselves. I agree, this is indeed remarkable. The FLARM decoder code is derived from the OGN.
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TouchTheSky
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+x+xThat's pretty cool. I don't need a device for testing, but it's nice to know that someone has developed a device that receives and decodes FLARM, presumably without getting an explicit license to do so from FLARM themselves. I agree, this is indeed remarkable. The FLARM decoder code is derived from the OGN. An important update: there will shortly be a new version available, the current version is missing some important libs, stay tuned.
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neubamat
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If somebody is wondering why the altitude using Stratux is a little bit off compared to the GPS altitude (in my case it's 115ft too low), this is the reason:
GDL90 protocol specifies that the geometric alt report contains the altitude above the WGS84 ellipsoid. SkyDemon handles this correctly and computes the MSL altitude. Stratux however sends the MSL altitude already and there's a big thread on the github page because most of the EFBs expect MSL altitude (against the spec).
As a quick fix change the following variable in /root/stratux/main/gen_gdl90.go, func makeOwnshipGeometricAltitudeReport()
and recompile stratux: service stratux stop && cd /root/stratux && make && make install && systemctl daemon-reload && service stratux start
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neubamat
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It looks like there's an issue with the altitude regarding FLARM traffic as well. GDL90 spec (3.5.1.4) defines altitude as pressure altitude, but FLARM traffic contains just GPS alt. There's a flag in the TrafficInfo struct, but it's not converted in the stratux code and send as it is...
Traffic might be off for several hundreds of feet depending on the actual baro diff.
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TouchTheSky
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+xIt looks like there's an issue with the altitude regarding FLARM traffic as well. GDL90 spec (3.5.1.4) defines altitude as pressure altitude, but FLARM traffic contains just GPS alt. There's a flag in the TrafficInfo struct, but it's not converted in the stratux code and send as it is...
Traffic might be off for several hundreds of feet depending on the actual baro diff.
Is there an easy fix available?
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neubamat
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+x+xIt looks like there's an issue with the altitude regarding FLARM traffic as well. GDL90 spec (3.5.1.4) defines altitude as pressure altitude, but FLARM traffic contains just GPS alt. There's a flag in the TrafficInfo struct, but it's not converted in the stratux code and send as it is...
Traffic might be off for several hundreds of feet depending on the actual baro diff.
Is there an easy fix available? Probably by shifting the altitude using the difference between gps alt and baro alt from mySituation... Another thing that might lead to differences in altitude is that GeoidSepar isn't set in stratux.conf.template I'll check it on the weekend, when I've got access to FLARM devices with known altitudes again.
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neubamat
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I had to add corrections for geoid separation and baro pressure. Traffic's real baro pressure might be different if there's a big difference in altitude, but it should be accurate as long as we're on the same level within several hundreds of feet. Yesterday was a good day for testing because my local QNH was about 1018 hPa. All flarm devices on the ground were displayed as on the ground
Change the altitude block in func processAprsData of /root/stratux/main/flarm.go to this one: // set altitude ti.Alt = int32(data.Altitude) ti.Alt = ti.Alt - int32(mySituation.GPSGeoidSep) // fix geoid sep ti.Alt = ti.Alt - int32(mySituation.GPSAltitudeMSL) + int32(mySituation.BaroPressureAltitude) // calc traffic's baro alt ti.AltIsGNSS = false ti.Last_alt = stratuxClock.Time
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TouchTheSky
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+xI had to add corrections for geoid separation and baro pressure. Traffic's real baro pressure might be different if there's a big difference in altitude, but it should be accurate as long as we're on the same level within several hundreds of feet. Yesterday was a good day for testing because my local QNH was about 1018 hPa. All flarm devices on the ground were displayed as on the ground
Change the altitude block in func processAprsData of /root/stratux/main/flarm.go to this one: // set altitude ti.Alt = int32(data.Altitude) ti.Alt = ti.Alt - int32(mySituation.GPSGeoidSep) // fix geoid sep ti.Alt = ti.Alt - int32(mySituation.GPSAltitudeMSL) + int32(mySituation.BaroPressureAltitude) // calc traffic's baro alt ti.AltIsGNSS = false ti.Last_alt = stratuxClock.Time
So what you are suggesting in summary is to modify the following:
/root/stratux/main/gen_gdl90.go, func makeOwnshipGeometricAltitudeReport()
from: mySituation.GPSAltitudeMSL
to: mySituation.GPSHeightAboveEllipsoid
/root/stratux/main/flarm.go, change the altitude block in func processAprsData
// set altitude
ti.Alt = int32(data.Altitude)
ti.Alt = ti.Alt - int32(mySituation.GPSGeoidSep) // fix geoid sep
ti.Alt = ti.Alt - int32(mySituation.GPSAltitudeMSL) + int32(mySituation.BaroPressureAltitude) // calc traffic's baro alt
ti.AltIsGNSS = false
ti.Last_alt = stratuxClock.Time
These changes are only recommended if FLARM Stratux is used with SkyDemon, right? What about ForeFlight, EasyVFR and Sky-Map?
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neubamat
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The first one should be good for SkyDemon. Other apps may break, because they're using GDL90 not in the specified way. There should be a config switch to handle both variants. ForeFlight is able to use both ones if configured properly using a proprietary GDL90 message (Capabilities mask, https://www.foreflight.com/connect/spec/).The second one doesn't handle the condition when no baro sensor is installed... but traffic alerts without your own baro alt don't make sense (at least for GDL90). The lowest known QNH is about 870 hPa (3861ft off) and the highest one was 1084 hPa (1917ft off).
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TouchTheSky
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+xThe first one should be good for SkyDemon. Other apps may break, because they're using GDL90 not in the specified way. There should be a config switch to handle both variants. ForeFlight is able to use both ones if configured properly using a proprietary GDL90 message (Capabilities mask, https://www.foreflight.com/connect/spec/).The second one doesn't handle the condition when no baro sensor is installed... but traffic alerts without your own baro alt don't make sense (at least for GDL90). The lowest known QNH is about 870 hPa (3861ft off) and the highest one was 1084 hPa (1917ft off).
Alright, I will try both changes shortly. I agree that at least for non-pressurized planes the baro sensor is very important.
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TouchTheSky
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+xThe first one should be good for SkyDemon. Other apps may break, because they're using GDL90 not in the specified way. There should be a config switch to handle both variants. ForeFlight is able to use both ones if configured properly using a proprietary GDL90 message (Capabilities mask, https://www.foreflight.com/connect/spec/).The second one doesn't handle the condition when no baro sensor is installed... but traffic alerts without your own baro alt don't make sense (at least for GDL90). The lowest known QNH is about 870 hPa (3861ft off) and the highest one was 1084 hPa (1917ft off).
Can you point me to the Stratux source code file where this FF proprietary GDL90 message (Capabilities mask) is set? SD and other EFBs ignore this mask, right? I would actually like to make sure that this Capabilities mask ist set to the standard value so that both SD and FF could be used with your suggested modifications.
[edit]: I found in gen_gdl90.go the following:
msg[38] = 0x01 // Capabilities mask. MSL altitude for Ownship Geometric report.
Shouldn't this be changed to:
msg[38] = 0x00
With this and your other suggested changes, both SD and FF should be working properly, right?
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neubamat
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Group: Forum Members
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+x+xThe first one should be good for SkyDemon. Other apps may break, because they're using GDL90 not in the specified way. There should be a config switch to handle both variants. ForeFlight is able to use both ones if configured properly using a proprietary GDL90 message (Capabilities mask, https://www.foreflight.com/connect/spec/).The second one doesn't handle the condition when no baro sensor is installed... but traffic alerts without your own baro alt don't make sense (at least for GDL90). The lowest known QNH is about 870 hPa (3861ft off) and the highest one was 1084 hPa (1917ft off).
Can you point me to the Stratux source code file where this FF proprietary GDL90 message (Capabilities mask) is set? SD and other EFBs ignore this mask, right? I would actually like to make sure that this Capabilities mask ist set to the standard value so that both SD and FF could be used with your suggested modifications.
[edit]: I found in gen_gdl90.go the following:
msg[38] = 0x01 // Capabilities mask. MSL altitude for Ownship Geometric report.
Shouldn't this be changed to:
msg[38] = 0x00
With this and your other suggested changes, both SD and FF should be working properly, right? Yes, that's it. Since I don't have FF... a FF user should verify that it is working properly. Probably other EFBs will still have issues...
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TouchTheSky
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Group: Forum Members
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+x+x+xThe first one should be good for SkyDemon. Other apps may break, because they're using GDL90 not in the specified way. There should be a config switch to handle both variants. ForeFlight is able to use both ones if configured properly using a proprietary GDL90 message (Capabilities mask, https://www.foreflight.com/connect/spec/).The second one doesn't handle the condition when no baro sensor is installed... but traffic alerts without your own baro alt don't make sense (at least for GDL90). The lowest known QNH is about 870 hPa (3861ft off) and the highest one was 1084 hPa (1917ft off).
Can you point me to the Stratux source code file where this FF proprietary GDL90 message (Capabilities mask) is set? SD and other EFBs ignore this mask, right? I would actually like to make sure that this Capabilities mask ist set to the standard value so that both SD and FF could be used with your suggested modifications.
[edit]: I found in gen_gdl90.go the following:
msg[38] = 0x01 // Capabilities mask. MSL altitude for Ownship Geometric report.
Shouldn't this be changed to:
msg[38] = 0x00
With this and your other suggested changes, both SD and FF should be working properly, right? Yes, that's it. Since I don't have FF... a FF user should verify that it is working properly. Probably other EFBs will still have issues... Right, so all other EFBs should be working with the default PepperJo image. I will report this to PepperJo, maybe he can implement a switch.
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neubamat
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To enable Stratux and Internet access simultaneously on iOS, uncomment "option routers" and "option domain-name-servers" at the bottom of /etc/dhcp/dhcpd.conf This doesn't improve anything on Android, unfortunately... but it still works as before
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TouchTheSky
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+xTo enable Stratux and Internet access simultaneously on iOS, uncomment "option routers" and "option domain-name-servers" at the bottom of /etc/dhcp/dhcpd.conf This doesn't improve anything on Android, unfortunately... but it still works as before You mean like this?
subnet 192.168.10.0 netmask 255.255.255.0 {
range 192.168.10.10 192.168.10.50;
option broadcast-address 192.168.10.255;
# option routers 192.168.10.1;
default-lease-time 12000;
max-lease-time 12000;
option domain-name "stratux.local";
# option domain-name-servers 4.2.2.2;
}
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neubamat
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Group: Forum Members
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+x+xTo enable Stratux and Internet access simultaneously on iOS, uncomment "option routers" and "option domain-name-servers" at the bottom of /etc/dhcp/dhcpd.conf This doesn't improve anything on Android, unfortunately... but it still works as before You mean like this?
subnet 192.168.10.0 netmask 255.255.255.0 {
range 192.168.10.10 192.168.10.50;
option broadcast-address 192.168.10.255;
# option routers 192.168.10.1;
default-lease-time 12000;
max-lease-time 12000;
option domain-name "stratux.local";
# option domain-name-servers 4.2.2.2;
}
exactly
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EU001939
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Maybe off topic but has anyone found a working AHRS app for an Ipad that works with your stratux device ?
My Stratux works fine with Skydemon for traffic, but as Skydemon does not have AHRS capability, and Garmin Pilot only works with own devices, I am a bit at a loss on how to set-up my Ipad as a secondary, emergency AHRS.
I know the web UI of stratux works, but it is very basic, and paying 200 $ a year for Foreflight is a waste of money.
Any suggestions ?
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ArnaudC
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+xhas anyone found a working AHRS app for an Ipad? A-EFIS </offtopic>
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efrenken
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@ArnaudC
Can you please contact me via efrenken[at]me.com? I’ve got a question on A-EFIS, which Tim doesn’t want to be discussed on his forum, which I would like to respect.
Thank you.
Eric
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Tim Dawson
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This forum is for the discussion of SkyDemon issues. Could we keep it that way? Thanks!
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TouchTheSky
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Thanks to neubamat's observations and suggestions, a new Stratux IMG is now available here:
On the settings page there is now a GDL90 MSL Altitude Switch which by default is ON but has to be switched OFF for SkyDemon.
Happy testing.
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Francis
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+xThanks to neubamat's observations and suggestions, a new Stratux IMG is now available here:
On the settings page there is now a GDL90 MSL Altitude Switch which by default is ON but has to be switched OFF for SkyDemon.
Happy testing. Installed everything as indicated, and it works fine (on the ground) !!!
Waiting on better meteo to test it in the air.
Thank you for a great job ! Francis
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Rdkraker
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Have build a stratux receiver with dvbt stick and USB GPS dongle. Get location in sd, and traffic on stratux webpage.
However no traffic in sd... Have set vertical limits for traffic to 40000ft however nothing shows.
Any settings I need to change? Do I need to switch msl alt off in stratux? Or do I need a barometric input on de pi? And if so, since I don't need ahrs, is there an USB dongle for that?
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TouchTheSky
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Group: Forum Members
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+xHave build a stratux receiver with dvbt stick and USB GPS dongle. Get location in sd, and traffic on stratux webpage.
However no traffic in sd... Have set vertical limits for traffic to 40000ft however nothing shows.
Any settings I need to change? Do I need to switch msl alt off in stratux? Or do I need a barometric input on de pi? And if so, since I don't need ahrs, is there an USB dongle for that?
- in SD under Setup>Third-Party Devices> you should select SkyEcho, iLevil - leave the MSL switch off for SD - for ADS-B you don't need the AHRS/Baro module
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Rdkraker
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Alright. See where I can find a module in the Netherlands. Probably eBay or amazon...
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Rdkraker
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Does anyone know where to find the ahrs and Baro sensor??
Been told by three suppliers (via eBay, amazon and AliExpress) after being confirmed to be shipped, they were unfortunately out of stock....
Now one for sale on aliexpress for 84usd!! They were 12 usd before...
Anyone has a spare unit for sale?
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TouchTheSky
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Group: Forum Members
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+xDoes anyone know where to find the ahrs and Baro sensor??Been told by three suppliers (via eBay, amazon and AliExpress) after being confirmed to be shipped, they were unfortunately out of stock....Now one for sale on aliexpress for 84usd!! They were 12 usd before...Anyone has a spare unit for sale? Try this:
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Francis
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Group: Forum Members
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Hi,
Would PepperJo be so kind to update his combined build of Stratux for ADS-B and Flarm to the newest Stratux v1.5b2 ? Some bug fixing has been done also concerning some AHRS issues that I encountered in the current 1.4r5 version (like the unstable gyros) Thank you in advance ;-)
Francis
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TouchTheSky
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PepperJo‘s v3 image already is based on v1.5, the version info on the stratux website might not show this properly.
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Francis
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Thank you TouchTheSky for pointing this out, I have now found the v3 image with Stratux v1.5b2, but it says : NOTE: The v3 radio does not support FLARM at the moment since it requires a new firmware on the radio. Hope it can be included soon ;-) Grtz Francis
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pilot-byom
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Any news on a V1.5 fork with FLARM function?
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b3nn0
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Group: Forum Members
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There is a Stratux fork for the European market that is maintained by me and a few other developers, including FLARM and some other stuff. Based on latest official Stratux.
Downloads:
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pilot-byom
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Group: Forum Members
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+xThere is a Stratux fork for the European market that is maintained by me and a few other developers, including FLARM and some other stuff. Based on latest official Stratux.
Downloads: Thx, etched a copy, only bad things I see is the total openly shown password.
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joey
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+xThere is a Stratux fork for the European market that is maintained by me and a few other developers, including FLARM and some other stuff. Based on latest official Stratux.
Downloads:
Thanks for pointing out this fork. I currently own a Stratux consisting of the following components, as recommended on the stratux homepage:
Will this setup work to receive FLARM signals or do I have to buy a different USB radio? Asking because there is a post in this thread stating: The v3 radio does not support FLARM at the moment since it requires a new firmware on the radio.
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b3nn0
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Group: Forum Members
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+x+xThere is a Stratux fork for the European market that is maintained by me and a few other developers, including FLARM and some other stuff. Based on latest official Stratux.
Downloads:
Thanks for pointing out this fork. I currently own a Stratux consisting of the following components, as recommended on the stratux homepage:
Will this setup work to receive FLARM signals or do I have to buy a different USB radio? Asking because there is a post in this thread stating: The v3 radio does not support FLARM at the moment since it requires a new firmware on the radio.
That is correct. The V3 radio will not work for FLARM reception for now, see also https://github.com/b3nn0/stratux/blob/master/README.mdI'm will try to get my hands on a V3 radio some time in the future and will check if I can implement it, but when and if this will be done, I can not say yet (sadly, the Stratux store does not ship to Germany any more, so getting this here is a bit more tricky - but I'm working on it).
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joey
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Group: Forum Members
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+x+x+xThere is a Stratux fork for the European market that is maintained by me and a few other developers, including FLARM and some other stuff. Based on latest official Stratux.
Downloads:
Thanks for pointing out this fork. I currently own a Stratux consisting of the following components, as recommended on the stratux homepage:
Will this setup work to receive FLARM signals or do I have to buy a different USB radio? Asking because there is a post in this thread stating: The v3 radio does not support FLARM at the moment since it requires a new firmware on the radio.
That is correct. The V3 radio will not work for FLARM reception for now, see also https://github.com/b3nn0/stratux/blob/master/README.mdI'm will try to get my hands on a V3 radio some time in the future and will check if I can implement it, but when and if this will be done, I can not say yet (sadly, the Stratux store does not ship to Germany any more, so getting this here is a bit more tricky - but I'm working on it).
Thank you for confirmation. Can you recommend a working radio (that can be delivered to Germany), i.e would this one be supported?
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b3nn0
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Group: Forum Members
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+x+x+x+xThere is a Stratux fork for the European market that is maintained by me and a few other developers, including FLARM and some other stuff. Based on latest official Stratux.
Downloads:
Thanks for pointing out this fork. I currently own a Stratux consisting of the following components, as recommended on the stratux homepage:
Will this setup work to receive FLARM signals or do I have to buy a different USB radio? Asking because there is a post in this thread stating: The v3 radio does not support FLARM at the moment since it requires a new firmware on the radio.
That is correct. The V3 radio will not work for FLARM reception for now, see also https://github.com/b3nn0/stratux/blob/master/README.mdI'm will try to get my hands on a V3 radio some time in the future and will check if I can implement it, but when and if this will be done, I can not say yet (sadly, the Stratux store does not ship to Germany any more, so getting this here is a bit more tricky - but I'm working on it).
Thank you for confirmation. Can you recommend a working radio (that can be delivered to Germany), i.e would this one be supported? I have not tested it personally, but anything RTL-SDR based should work fine, so yes, that should work.
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Massimo Belloni
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I think there is a little confusion among the meaning of "V3" radio. There are 2 different receiver which does have the number "3" in their name, but I think they are quite different. V3 radio looks to be a specific UAT radio, right now (AFAIK) available in US only (and, still right now, useless in Europe, see that there are no official UAT transmitter in the old continent. Maybe -if still active- the experimental transmitter set up by Garmin in Friedrichshafen in 2019, but I can't say for sure), but Nano Three should work for FLARM too.
======================================================================= This looks to be the V3 radio:
=======================================================================
This is the last version of the NOOELEC NESDR Nano 3 (which should work with FLARM), quite different from the above.
=======================================================================
May b3nn0 (or anybody else who knows for sure how the things are going) confirm this, so that it will be easy to plan the Stratux parts procurement?
Regards,
Massimo Belloni
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joey
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+xI think there is a little confusion among the meaning of "V3" radio. There are 2 different receiver which does have the number "3" in their name, but I think they are quite different. V3 radio looks to be a specific UAT radio, right now (AFAIK) available in US only (and, still right now, useless in Europe, see that there are no official UAT transmitter in the old continent. Maybe -if still active- the experimental transmitter set up by Garmin in Friedrichshafen in 2019, but I can't say for sure), but Nano Three should work for FLARM too.
======================================================================= This looks to be the V3 radio:
=======================================================================
This is the last version of the NOOELEC NESDR Nano 3 (which should work with FLARM), quite different from the above.
=======================================================================
May b3nn0 (or anybody else who knows for sure how the things are going) confirm this, so that it will be easy to plan the Stratux parts procurement?
Regards, Correct, the picture on top is the V3 that does not seem to be supported. I'll order the Nooelec and will report if it works.
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joey
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Great news everyone, a brief ground-based test confirmed that the NooElec radio works to receive FLARM traffic in Skydemon!
The NooElec radio is however rather chunky, which made it a tight fit. See pictures.
My Stratux Setup consists of these components:
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pilot-byom
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Two things, get EU008 as current it is more stable and get the SDR cases off or you bake the circuit - NooElec plastic cases are no good for temps and are easily removed (split case) either the chunky metal ones.
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Cloudwalker
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Hello, Has anybody experience with Stratux on Rpi4B 4Gb? Kind regards Marc
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TouchTheSky
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Group: Forum Members
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+xHello, Has anybody experience with Stratux on Rpi4B 4Gb? Kind regards Marc I just released my Github repository for Stratux Europe on a Pi4: Feel free to test it, some experience with Raspbian Buster is required. Furthermore it is helpful if you have already prepared the SDRs serial to something like: "stx:1090:0" for ADSB and
"stx:868:0" for FLARM
Please keep in mind that this is work in progress, you should not rely on this for flying ...
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pilot-byom
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Group: Forum Members
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+x+xHello, Has anybody experience with Stratux on Rpi4B 4Gb? Kind regards Marc I just released my Github repository for Stratux Europe on a Pi4: Feel free to test it, some experience with Raspbian Buster is required. Furthermore it is helpful if you have already prepared the SDRs serial to something like: "stx:1090:0" for ADSB and
"stx:868:0" for FLARM
Please keep in mind that this is work in progress, you should not rely on this for flying ... Thx a lot, that is good news for a next project!!
But, all be aware that the Pi4 is rather power hungry and on the edge of what makes sense to run on cigarette lighter power - you need steady 3 Amps to let the typical setup run stable and you are going USB-C, which is more in danger to do electrical noise compared to the Pi3.
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TouchTheSky
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Group: Forum Members
Posts: 153,
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+x+x+xHello, Has anybody experience with Stratux on Rpi4B 4Gb? Kind regards Marc I just released my Github repository for Stratux Europe on a Pi4: Feel free to test it, some experience with Raspbian Buster is required. Furthermore it is helpful if you have already prepared the SDRs serial to something like: "stx:1090:0" for ADSB and
"stx:868:0" for FLARM
Please keep in mind that this is work in progress, you should not rely on this for flying ... Thx a lot, that is good news for a next project! But, all be aware that the Pi4 is rather power hungry and on the edge of what makes sense to run on cigarette lighter power - you need steady 3 Amps to let the typical setup run stable. My Pi4 setup with GPS and two Nooelec NESDR SMArt v4 SDRs consumes 6W (1.2 Amps). 20% more than on my Pi3 setup. No fan installed as the Pi4 runs 10 degrees celsius cooler.
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Cloudwalker
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Group: Forum Members
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+x+xHello, Has anybody experience with Stratux on Rpi4B 4Gb? Kind regards Marc I just released my Github repository for Stratux Europe on a Pi4: Feel free to test it, some experience with Raspbian Buster is required. Furthermore it is helpful if you have already prepared the SDRs serial to something like: "stx:1090:0" for ADSB and
"stx:868:0" for FLARM
Please keep in mind that this is work in progress, you should not rely on this for flying ... Thank you! great start!
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screen
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Hi, currently use SD in connection with Stratux Europe. For the aircraft that only broadcast S mode, several aircraft are displayed MODES in a circle on the GD90. When I change the connection to NEMA (Flarm with Air Conn.) Then a circle is displayed with the altitude?
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efrenken
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+xHi, currently use SD in connection with Stratux Europe. For the aircraft that only broadcast S mode, several aircraft are displayed MODES in a circle on the GD90. When I change the connection to NEMA (Flarm with Air Conn.) Then a circle is displayed with the altitude?
Yes
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joey
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Can someone please explain to me why this circlce of MODES aircraft appears aorund me and if there is a way to disable it?
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b3nn0
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This is a nearby aircraft that is only Mode-S equipped but not ADS-B. The Distance of the circle is the estimated distance of the other aircraft. You can disable it in the settings ("bearingless targets").
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joey
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+xThis is a nearby aircraft that is only Mode-S equipped but not ADS-B. The Distance of the circle is the estimated distance of the other aircraft. You can disable it in the settings ("bearingless targets"). That worked, thank you! I first tried disabling bearingless targets in the Skydemon app but still saw the Mode-S targets. After I also disabled them in the Stratux web interface they disappeared.
It makes such a difference to have (ADS-B and FLARM) traffic displayed in Skydemon. I absolsutely love it. Keep up the great work!
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Tim Dawson
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That fake circle of "MODES" aircraft sent from Stratux is an abomination. It will mess with the way SkyDemon does collision avoidance and should never have been created.
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b3nn0
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Group: Forum Members
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+xThat fake circle of "MODES" aircraft sent from Stratux is an abomination. It will mess with the way SkyDemon does collision avoidance and should never have been created. Thank you for that helpful comment. I'm happy to implement something different that provides bearingless targets via GDL90 in a way that Skydemon can use to display something better. But my impressions for now were, that you don't want to provide any other way - so what else do you recommend? Anyway, the feature will be disabled by default starting with the next version to reduce questions like the above.
BTW: From flying very frequently with my Stratux, and from a lot of user feedback, I have learned that these bearingless targets, albeit not precise, are extremely helpful in practice. So an answer like "disable bearingless targets" is not valid IMO.
I do of course know, that the GDL90 standard doesn't provide such an option, but it is a very modular standard that could easily be extended without breaking any compatibility. So sometimes things just have to be updated, even though they don't follow what is already there. Otherwise we would still be programming in Fortran.
We are all striving for the best solution, but sadly, for now, this is the best solution available as SkyDemon doesn't offer something else - at least nothing that I'm aware of.
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fzahn
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+x+xThat fake circle of "MODES" aircraft sent from Stratux is an abomination. It will mess with the way SkyDemon does collision avoidance and should never have been created. Thank you for that helpful comment. I'm happy to implement something different that provides bearingless targets via GDL90 in a way that Skydemon can use to display something better. But my impressions for now were, that you don't want to provide any other way - so what else do you recommend? Anyway, the feature will be disabled by default starting with the next version to reduce questions like the above.
BTW: From flying very frequently with my Stratux, and from a lot of user feedback, I have learned that these bearingless targets, albeit not precise, are extremely helpful in practice. So an answer like "disable bearingless targets" is not valid IMO.
I do of course know, that the GDL90 standard doesn't provide such an option, but it is a very modular standard that could easily be extended without breaking any compatibility. So sometimes things just have to be updated, even though they don't follow what is already there. Otherwise we would still be programming in Fortran.
We are all striving for the best solution, but sadly, for now, this is the best solution available as SkyDemon doesn't offer something else - at least nothing that I'm aware of.
What about the Flarm-Mode? Skydemon is able to talk to Air Avionics Traffic Warning Systems via the Flarm-Protocol and the Stratux European Edition supports this too... I use that with my Stratux and SKydemon and it seems to work... Isn`t that the solution we are waiting for?
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b3nn0
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Group: Forum Members
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+x+x+xThat fake circle of "MODES" aircraft sent from Stratux is an abomination. It will mess with the way SkyDemon does collision avoidance and should never have been created. Thank you for that helpful comment. I'm happy to implement something different that provides bearingless targets via GDL90 in a way that Skydemon can use to display something better. But my impressions for now were, that you don't want to provide any other way - so what else do you recommend? Anyway, the feature will be disabled by default starting with the next version to reduce questions like the above.
BTW: From flying very frequently with my Stratux, and from a lot of user feedback, I have learned that these bearingless targets, albeit not precise, are extremely helpful in practice. So an answer like "disable bearingless targets" is not valid IMO.
I do of course know, that the GDL90 standard doesn't provide such an option, but it is a very modular standard that could easily be extended without breaking any compatibility. So sometimes things just have to be updated, even though they don't follow what is already there. Otherwise we would still be programming in Fortran.
We are all striving for the best solution, but sadly, for now, this is the best solution available as SkyDemon doesn't offer something else - at least nothing that I'm aware of.
What about the Flarm-Mode? Skydemon is able to talk to Air Avionics Traffic Warning Systems via the Flarm-Protocol and the Stratux European Edition supports this too... I use that with my Stratux and SKydemon and it seems to work... Isn`t that the solution we are waiting for?
Yes, that certainly works. I use it too, but it has three drawbacks that makes it sub-optimal.
1. It is a far less capable protocol in general 2. It is slightly harder to configure, not out of the box (need to change IP and configure SD for "Flarm" instead of "GDL90", which states "Stratux" as compatible device. I don't want to change the default IP because of backwards compatibility to mainline Stratux). 3. most importantly, it doesn't support weather data for regions where it is available.
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Peter Robertson
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(Posted before I saw B3nn0’s post above. ^^^^^^^^^^ long story - trying to look after kids!!)
Tim,
I also have significant concerns about the potential for a circle of essentially ‘bearingless’ aircraft suddenly appearing around my aircraft in flight as if they were ‘known position’ aircraft and appreciate the (presumably unintended but) potentially catastrophic effect this will have on your anti-collision warnings.
Having (as you know) worked with Lee Moore to develop PilotAware’s Mode C / S alert trigger algorithms back in 2015, I am as aware as anyone of the issues involved with identifying, notifying and subsequently locating ‘bearingless’ targets in the air.
In my opinion, this isn’t a deliberate attack on SkyDemon, but rather an attempt at a ‘work-around’ for the fact that ‘bearingless’ aircraft targets simply don’t show on SkyDemon via GDL90 (which is Stratux and Stratux Europe’s sole data transfer system). On the basis that around 70%+ of the aircraft we are likely to come across at GA levels in Class G airspace are still ‘Pure Mode-S’ and that this is unlikely to change significantly in the short to medium term, I can understand the intention, though obviously don’t condone the solution. Surely the answer is for us all to work together cooperatively to develop and agree a practical solution (as at least one other EFB seems to have done). Failure to do so will IMO simply result in other system developers trying to develop their own ‘ad hoc’ work-arounds.
Best Regards
Peter
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Maverix
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+xThat fake circle of "MODES" aircraft sent from Stratux is an abomination. It will mess with the way SkyDemon does collision avoidance and should never have been created. Tim, too bad you feel that way.
Stratux Europe is the best traffic tool ever and the bearingless targets circle is in my opinion better than nothing. In general, I think it would be good if you were more customer-oriented and friendly.
Best regards Kai
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pilot-byom
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I am trying to assemble a new Stratux for a club and am having a hard time getting AHRS. It appears the original plug-in module is no longer available and a new production batch is still not on the market. As a replacement I got a GY-91 (the lilac board) which is supposed do the trick as it has the same sensors, but require some soldering and mounting challenge. Does anybody have a drawing for the preferred orientation of the MPU9250 chip - where is front, side, up - just in case the auto-alignement fails?
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b3nn0
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Group: Forum Members
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+xI am trying to assemble a new Stratux for a club and am having a hard time getting AHRS. It appears the original plug-in module is no longer available and a new production batch is still not on the market. As a replacement I got a GY-91 (the lilac board) which is supposed do the trick as it has the same sensors, but require some soldering and mounting challenge. Does anybody have a drawing for the preferred orientation of the MPU9250 chip - where is front, side, up - just in case the auto-alignement fails? Alignment doesn't matter as long as it is fixed. The Alignment will be configured later (i.e. you have to place the Stratux front-side-up and hit a button, etc).
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pilot-byom
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+xAlignment doesn't matter as long as it is fixed. The Alignment will be configured later (i.e. you have to place the Stratux front-side-up and hit a button, etc). Thx!
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pilot-byom
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+x+xAlignment doesn't matter as long as it is fixed. The Alignment will be configured later (i.e. you have to place the Stratux front-side-up and hit a button, etc). Thx! One more question, are FLARM targets shown in the current EU20 distribution have changed symbol? I don't see any of these targets although Status OGN is green, antenna seems to work, Peak Messages stays Zero - are aircraft giving both 1090ES and 868OGN merged in the display and are Flarm targets still shown greenish in Status EU20? (Feature request: rename OGN to 868OGN on Status page for consistency with 1090ES)
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b3nn0
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+x+x+xAlignment doesn't matter as long as it is fixed. The Alignment will be configured later (i.e. you have to place the Stratux front-side-up and hit a button, etc). Thx! One more question, are FLARM targets shown in the current EU20 distribution have changed symbol? I don't see any of these targets although Status OGN is green, antenna seems to work, Peak Messages stays Zero - are aircraft giving both 1090ES and 868OGN merged in the display and are Flarm targets still shown greenish in Status EU20? (Feature request: rename OGN to 868OGN on Status page for consistency with 1090ES) all OGN received protocols will still be green, will be displayed on the traffic page and sent to EFBs via all supported protocols. If the Peak stays 0, your Stratux doesn't receive anything. Either ther eis no OGN-compatible Target nearby, or something is wrong (broken antenna cable, broken SDR, misconfiguration, ... possibilities are endless and you will have to debug that yourself).
About your feature request: It's open source. Feel free to change it and create a pull request.
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pilot-byom
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+xall OGN received protocols will still be green, will be displayed on the traffic page and sent to EFBs via all supported protocols. If the Peak stays 0, your Stratux doesn't receive anything. Either ther eis no OGN-compatible Target nearby, or something is wrong (broken antenna cable, broken SDR, misconfiguration, ... possibilities are endless and you will have to debug that yourself).
About your feature request: It's open source. Feel free to change it and create a pull request.
Just for information, I derived one possible reason for the Flarm receiver not working in home tests - suspect our neighborhood has too many smart home applications and the frequency is overloaded (some used Covid to turn their home into a simulation of itself). I took the Stratux running in the car while driving to the airfield and about a mile from our village it started receiving nearby OGN targets, coming back at about the same distance it stopped again.
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pilot-byom
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Looks like we are only a small step from sending the flight plan route from Skydemon to Stratux and see the route there on the new map feature? Next would be to send out the full NMEA0183 waypoints sequence via RS232 ... ;-)
@Tim Dawson: Stratux is already connected as a Third Party Device, does the Export Flightplan Feature also work there, or must somebody do the fetch based on the IFD connector? @b3nn0: Any idea of the effort to fetch the Avidyne'ish FPL and put the route on the map feature in StratuxFlarm? Maybe Marco @Schildaero can jump in and assist for the details as he did the Avidyne upload?
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b3nn0
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I have no intention to implement that. Stratux is and will remain a companion device. The map in the web interfaces is intended for ground use, information and debugging/analysis. It is not intended to go flying with it. The GPS Position doesn't even update on that map.
It is an open source project. If you want something like that, feel free to implement it and pull request.
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pilot-byom
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+xThe GPS Position doesn't even update on that map.
In this case, I think it is wise to put a disclaimer on the map page to prevent people mistake it as a replacement for the radar page!
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pilot-byom
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Did Stratux EU021 break own-ship suppression? Since the update it does 'see' its own XPDR.
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177
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As far as I understand, Stratux DIY device is the best bang for your buck to get all of the traffic info from different sources. Is that correct? How it works with SkyDemon at this moment?
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TouchTheSky
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+xAs far as I understand, Stratux DIY device is the best bang for your buck to get all of the traffic info from different sources. Is that correct? How it works with SkyDemon at this moment? I works great, there are many folks out using this combination (including myself of course). Just recently an OGN transmission option has been introduced, the Wiki has been significantly updated as well:
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177
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Group: Forum Members
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+x+xAs far as I understand, Stratux DIY device is the best bang for your buck to get all of the traffic info from different sources. Is that correct? How it works with SkyDemon at this moment? I works great, there are many folks out using this combination (including myself of course). Just recently an OGN transmission option has been introduced, the Wiki has been significantly updated as well: Good to know that, thanks! Can you give me a quick feedback on compatibility:
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TouchTheSky
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+x+x+xAs far as I understand, Stratux DIY device is the best bang for your buck to get all of the traffic info from different sources. Is that correct? How it works with SkyDemon at this moment? I works great, there are many folks out using this combination (including myself of course). Just recently an OGN transmission option has been introduced, the Wiki has been significantly updated as well: Good to know that, thanks! Can you give me a quick feedback on compatibility:
1) and 2) are ok 3) this SDR has more functionality than required and it is quite huge, I would recommend a Nooelec, e.g. a nano 2+ or nano 3 4) the 1090 antenna is also quite long, for 1090 a small antenna is enough
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Adam Erchegyi
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Hi folks, I am catching up with this whole traffic topic (and the posts of this thread) and looking for some recent experiences. My primary goal would be to display both ADS-B and FLARM traffic in SkyDemon (the aircrafts I fly - mostly in Switzerland - have either power-flarm or TAS, but unfortunately without connectivity). Seems there are two good options out there, one being SkyEcho2 (cost of the device and the need for a yearly subscription to decode FLARM data makes it somewhat nah), other is Stratux (rather bulky and comes with home-made feeling). So my questions are: Why isn't this - very popular - option mentioned in the SkyDemon documentation? stratux.me doesn't show SkyDemon as a compatible EFB either. Is there still any pre-built ready-to-use version of Stratux available for my use-case? It seems the well-documented version from Crewdog Electronics comes with UAT radio only and there is no European version available. - Are you aware of any other disadvantages compared to SkyEcho2 what I might have missed?
- Is there any use of the AHRS module while only used with SkyDemon?
- How do you avoid traffic warnings for your own aircraft?
Thanks for any further hints you might have. Happy landings!
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TouchTheSky
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Group: Forum Members
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+xHi folks, I am catching up with this whole traffic topic (and the posts of this thread) and looking for some recent experiences. My primary goal would be to display both ADS-B and FLARM traffic in SkyDemon (the aircrafts I fly - mostly in Switzerland - have either power-flarm or TAS, but unfortunately without connectivity). Seems there are two good options out there, one being SkyEcho2 (cost of the device and the need for a yearly subscription to decode FLARM data makes it somewhat nah), other is Stratux (rather bulky and comes with home-made feeling). So my questions are: Why isn't this - very popular - option mentioned in the SkyDemon documentation? stratux.me doesn't show SkyDemon as a compatible EFB either. Is there still any pre-built ready-to-use version of Stratux available for my use-case? It seems the well-documented version from Crewdog Electronics comes with UAT radio only and there is no European version available. - Are you aware of any other disadvantages compared to SkyEcho2 what I might have missed?
- Is there any use of the AHRS module while only used with SkyDemon?
- How do you avoid traffic warnings for your own aircraft?
Thanks for any further hints you might have. Happy landings!
Adam, as one of the Stratux Europe contributors I am certainly happy to answer:
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Adam Erchegyi
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Group: Forum Members
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+x+xHi folks, I am catching up with this whole traffic topic (and the posts of this thread) and looking for some recent experiences. My primary goal would be to display both ADS-B and FLARM traffic in SkyDemon (the aircrafts I fly - mostly in Switzerland - have either power-flarm or TAS, but unfortunately without connectivity). Seems there are two good options out there, one being SkyEcho2 (cost of the device and the need for a yearly subscription to decode FLARM data makes it somewhat nah), other is Stratux (rather bulky and comes with home-made feeling). So my questions are: Why isn't this - very popular - option mentioned in the SkyDemon documentation? stratux.me doesn't show SkyDemon as a compatible EFB either. Is there still any pre-built ready-to-use version of Stratux available for my use-case? It seems the well-documented version from Crewdog Electronics comes with UAT radio only and there is no European version available. - Are you aware of any other disadvantages compared to SkyEcho2 what I might have missed?
- Is there any use of the AHRS module while only used with SkyDemon?
- How do you avoid traffic warnings for your own aircraft?
Thanks for any further hints you might have. Happy landings!
Adam, as one of the Stratux Europe contributors I am certainly happy to answer: Thanks a lot for the answer, I'll check the links. Actually, it's a pity that none of the sets have battery included, so in the end it will look like a homemade explosive 
It's pretty much off-topic here and might need to bring this conversation to the Slack channel, although could be useful for other SkyDemon users in the future. I'm thinking about keeping the box permanently in my pilot bag and making a suction mount for external antennas only. Any practical experience on power consumption (Pi3 should be better than Pi4 if my understanding is correct) and heat generation?
I'm not sure if I understand your answer to #5. I meant how to avoid my own aircraft's target (either from modeS or Flarm) being visible on the SkyDemon map. Sounds like simple filtering based on whatever parameters. Why do you need AT-1 and SkyView for that?
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TouchTheSky
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Group: Forum Members
Posts: 153,
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+x+x+xHi folks, I am catching up with this whole traffic topic (and the posts of this thread) and looking for some recent experiences. My primary goal would be to display both ADS-B and FLARM traffic in SkyDemon (the aircrafts I fly - mostly in Switzerland - have either power-flarm or TAS, but unfortunately without connectivity). Seems there are two good options out there, one being SkyEcho2 (cost of the device and the need for a yearly subscription to decode FLARM data makes it somewhat nah), other is Stratux (rather bulky and comes with home-made feeling). So my questions are: Why isn't this - very popular - option mentioned in the SkyDemon documentation? stratux.me doesn't show SkyDemon as a compatible EFB either. Is there still any pre-built ready-to-use version of Stratux available for my use-case? It seems the well-documented version from Crewdog Electronics comes with UAT radio only and there is no European version available. - Are you aware of any other disadvantages compared to SkyEcho2 what I might have missed?
- Is there any use of the AHRS module while only used with SkyDemon?
- How do you avoid traffic warnings for your own aircraft?
Thanks for any further hints you might have. Happy landings!
Adam, as one of the Stratux Europe contributors I am certainly happy to answer: Thanks a lot for the answer, I'll check the links. Actually, it's a pity that none of the sets have battery included, so in the end it will look like a homemade explosive
It's pretty much off-topic here and might need to bring this conversation to the Slack channel, although could be useful for other SkyDemon users in the future. I'm thinking about keeping the box permanently in my pilot bag and making a suction mount for external antennas only. Any practical experience on power consumption (Pi3 should be better than Pi4 if my understanding is correct) and heat generation?
I'm not sure if I understand your answer to #5. I meant how to avoid my own aircraft's target (either from modeS or Flarm) being visible on the SkyDemon map. Sounds like simple filtering based on whatever parameters. Why do you need AT-1 and SkyView for that? Ah sorry, did not carefully read your question. Right answer is: you simply put in the ICAO numbers in the Stratux web interface for which you don't want to receive alerts, including your ownship ICAO.
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Fedko
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Hello everyone.
I'm quite new to Skydemon - first year of use, as well as very new to Stratux - just finished building a Europe Flarm version.
I have a couple of questions, as I wanted to be sure that my Stratux is correctly built and setup. Some questions might seem dumb... but after a couple days of surfing on internet, I was unable to find a clear answer.
Would anyone be able to perhaps clarify the following for me? I am currently using the lastest version of Stratux - 1.6r1-eu026.
1) I got nooelec v3 radios - One seems pre-programmed to 1090 Mhz and the second one to 978 Mhz. Do I need to somehow re-program the 978 Mhz unit to 868 Mhz with some SDR software? Or is this somehow done automatically by the Stratux software?
2) Is there any particular order in which the radios need to be connected to the USB ports of the Raspberry Pi? Or any radio can be plugged into any of the two ports, and the Stratux will somehow detect which radio receives on which frequency?
Thank you @b3nn0 for your great support on this Stratux EU project. I saw on your Github page that the Stratux Flarm should be connected to Skydemon via the FLARM-NMEA protocol; 3) But is there any difference between "Air Avionics AT-1" and "FLARM via Airconnect"? 4) Should GDL90 protocol be only avoided due to stability issues? Or does it have any eventual advantage over FLARM-NMEA?
Also, what power banks are you guys using, and what autonomy do you get? I still didn't buy one, and I read that some may cause interference with the Stratux unit.
Thank you very much in advance.
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TouchTheSky
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+xHello everyone.
I'm quite new to Skydemon - first year of use, as well as very new to Stratux - just finished building a Europe Flarm version.
I have a couple of questions, as I wanted to be sure that my Stratux is correctly built and setup. Some questions might seem dumb... but after a couple days of surfing on internet, I was unable to find a clear answer.
Would anyone be able to perhaps clarify the following for me? I am currently using the lastest version of Stratux - 1.6r1-eu026.
1) I got nooelec v3 radios - One seems pre-programmed to 1090 Mhz and the second one to 978 Mhz. Do I need to somehow re-program the 978 Mhz unit to 868 Mhz with some SDR software? Or is this somehow done automatically by the Stratux software?
2) Is there any particular order in which the radios need to be connected to the USB ports of the Raspberry Pi? Or any radio can be plugged into any of the two ports, and the Stratux will somehow detect which radio receives on which frequency?
Thank you @b3nn0 for your great support on this Stratux EU project. I saw on your Github page that the Stratux Flarm should be connected to Skydemon via the FLARM-NMEA protocol; 3) But is there any difference between "Air Avionics AT-1" and "FLARM via Airconnect"? 4) Should GDL90 protocol be only avoided due to stability issues? Or does it have any eventual advantage over FLARM-NMEA?
Also, what power banks are you guys using, and what autonomy do you get? I still didn't buy one, and I read that some may cause interference with the Stratux unit.
Thank you very much in advance.
Welcome to the Stratux Community, here some responses: 1) As long as you leave "Settings-Hardware-978Mhz" disabled (which is the EU default anyway) then this 978 MHz SDR will automatically be used for 868MHz FLARM and OGN so you are all set. 2) Any SDR can be connected to any of the USB ports, no order required at all. 3) I have successfully used both "Air Avionics AT-1" and "FLARM via Airconnect", "Air Avionics AT-1" may be better going forward. In fact @Tim could inform us about potential differences. 4) Both GDL90 and FLARM-NMEA work fine with SD, Mode-S only traffic is better presented by FLARM-NEMA (circle) but GDL90 is the more widespread protocol, @b3nn0 might be able to say more on this topic. Power banks are usually no issue at all for me but others may have more to report. I recently had Pi3 boards that reported undervoltage with one particular power bank but the same power bank works fine with a Pi4.
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Adam Erchegyi
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I've just picked up my European Stratux (from Dross:Aviation) this week. First ground runs are successful, I could get positions from both GDL90 and Flarm-NMEA interfaces. I think I'll use the latter to have a proper bearingless target depiction. Does this have any disadvantages compared to GDL90? May I use both at the same time (pe. an Android tabled with SkyDemon via NMEA and another iPad with ForeFlight via GDL90)? What I'm struggling with is keeping the 4G connection on the tablet while connected to the Stratux WiFi. I have an Android device and read about the Speedify app on this forum (2Gb/month for SkyDemon use sounds fairly enough), but sill: do I really need a 3rd party app for this? I tried the "mobile data always active" in developer options, but it doesn't do the job. Is the Stratux "Smart WiFi" feature any good for Android?
Maybe one more thing: do the radios produce so much heat that the fan always has to run on 100%? Probably won't be a problem in-flight (except power consumption), but pretty annoying during ground tests...
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b3nn0
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Wrt. Protocol Choice: Here my rule of thumb: IF your Stratux is built and configured to receive UAT, AND your are flying in a country where UAT is available (US, CA, Denmark I think?), THEN use GDL90. ELSE use NMEA. Reason: GDL90 uses UDP as its network protocol, which is a good thing in theory, but with UDP it can happen that packets are dropped, delayed or even received multiple times. It's just part of the protocol and to be expected. Sadly, SD is rather intolerant when it comes to such errors. Additionally, NMEA has proper support for the bearingless circles, yes. You can not use both at the same time.
Wrt. Fan:
This depends on what hardware your Stratux contains and how it is connected. No idea how Dross does it. I assume you don't have a fan control module in there, so you can either connect the fan to 3.3v or 5v. I prefer 3v to have it a bit more quiet. Airflow is good enough either way (well, depends on the fan of course, but full-power is certainly not needed). Google "Raspberry Pi Pins" to see how/where to connect.
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Adam Erchegyi
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+xWrt. Protocol Choice: Here my rule of thumb: IF your Stratux is built and configured to receive UAT, AND your are flying in a country where UAT is available (US, CA, Denmark I think?), THEN use GDL90. ELSE use NMEA. Reason: GDL90 uses UDP as its network protocol, which is a good thing in theory, but with UDP it can happen that packets are dropped, delayed or even received multiple times. It's just part of the protocol and to be expected. Sadly, SD is rather intolerant when it comes to such errors. Additionally, NMEA has proper support for the bearingless circles, yes. You can not use both at the same time.
Wrt. Fan:
This depends on what hardware your Stratux contains and how it is connected. No idea how Dross does it. I assume you don't have a fan control module in there, so you can either connect the fan to 3.3v or 5v. I prefer 3v to have it a bit more quiet. Airflow is good enough either way (well, depends on the fan of course, but full-power is certainly not needed). Google "Raspberry Pi Pins" to see how/where to connect.
Thanks for the hints, the NMEA protocol looks quite stable for me and there is no use of UAT here (Switzerland) so I'll continue using this to see 'proper' bearingless targets. Actually, I figured that I can use both NMEA and GDL90 at the same time: I flew with a ForeFlight guy and he could connect to Stratux's WiFi network and receive the GDL90 packages while I was still happily using NMEA in SkyDemon. Great use-case!
Regarding the fans I'm still experimenting with the voltages & temperatures, let's see how that goes. For the time being my biggest trouble is the placement of the device: sadly the suction cup is not enough to hold both the Stratux and the 20Ah power bank. I don't want to connect to aircraft power (because that is on the hot bus of the DA40NG and could drain the battery if left plugged in during a lunch break), so probably need to put the power bank somewhere else...
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177
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Group: Forum Members
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+x+xWrt. Protocol Choice: Here my rule of thumb: IF your Stratux is built and configured to receive UAT, AND your are flying in a country where UAT is available (US, CA, Denmark I think?), THEN use GDL90. ELSE use NMEA. Reason: GDL90 uses UDP as its network protocol, which is a good thing in theory, but with UDP it can happen that packets are dropped, delayed or even received multiple times. It's just part of the protocol and to be expected. Sadly, SD is rather intolerant when it comes to such errors. Additionally, NMEA has proper support for the bearingless circles, yes. You can not use both at the same time.
Wrt. Fan:
This depends on what hardware your Stratux contains and how it is connected. No idea how Dross does it. I assume you don't have a fan control module in there, so you can either connect the fan to 3.3v or 5v. I prefer 3v to have it a bit more quiet. Airflow is good enough either way (well, depends on the fan of course, but full-power is certainly not needed). Google "Raspberry Pi Pins" to see how/where to connect.
Thanks for the hints, the NMEA protocol looks quite stable for me and there is no use of UAT here (Switzerland) so I'll continue using this to see 'proper' bearingless targets. Actually, I figured that I can use both NMEA and GDL90 at the same time: I flew with a ForeFlight guy and he could connect to Stratux's WiFi network and receive the GDL90 packages while I was still happily using NMEA in SkyDemon. Great use-case!
Regarding the fans I'm still experimenting with the voltages & temperatures, let's see how that goes. For the time being my biggest trouble is the placement of the device: sadly the suction cup is not enough to hold both the Stratux and the 20Ah power bank. I don't want to connect to aircraft power (because that is on the hot bus of the DA40NG and could drain the battery if left plugged in during a lunch break), so probably need to put the power bank somewhere else... Try to upgrade your suction cup to black ones with 3M glue.
I also use these sticky pads:
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Fedko
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Thank you very much @TouchTheSky and @b3nn0 for your answers, it is very clear. I will go have a look at Github discussion.
While I'm here, I would like to take the opportunity to ask about what is the best way to reduce the OGN Noise. Looking on the screenshot below, I seem to be suffering from significant range loss: 5.31x. Is there any way to improve this?
Thanks a lot, and happy Holidays to all!
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TouchTheSky
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+xThank you very much @TouchTheSky and @b3nn0 for your answers, it is very clear. I will go have a look at Github discussion.
While I'm here, I would like to take the opportunity to ask about what is the best way to reduce the OGN Noise. Looking on the screenshot below, I seem to be suffering from significant range loss: 5.31x. Is there any way to improve this?
Thanks a lot, and happy Holidays to all!
I assume you are using the usual antennas so you may try to move them away from your Pi as it is the source for most of the "noise". A good alternative would be a T style dipole antenna which usually comes with 1-2m cable. Sometimes all metal Pi cases help but then Wifi might become less reliable. Can you post a picture of your Stratux? Btw, you may consider the Stratux Slack channel where many of us are quite active: Stratux Slack. Besides the "#general" channel there is a particular channel "#stratux-europe-edition".
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Fedko
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+x+xThank you very much @TouchTheSky and @b3nn0 for your answers, it is very clear. I will go have a look at Github discussion.
While I'm here, I would like to take the opportunity to ask about what is the best way to reduce the OGN Noise. Looking on the screenshot below, I seem to be suffering from significant range loss: 5.31x. Is there any way to improve this?
Thanks a lot, and happy Holidays to all!
I assume you are using the usual antennas so you may try to move them away from your Pi as it is the source for most of the "noise". A good alternative would be a T style dipole antenna which usually comes with 1-2m cable. Sometimes all metal Pi cases help but then Wifi might become less reliable. Can you post a picture of your Stratux? Btw, you may consider the Stratux Slack channel where many of us are quite active: Stratux Slack. Besides the "#general" channel there is a particular channel "#stratux-europe-edition". Thank you for you answer. I will register in Slack. In the meantime, attached a few pictures. Sorry for the orientations, but for some reason the forum in turning them as it wants...
The Startux is on a GoPro mount, and has large 1090 and 868 antennas. It is mounted on the left side window of a C172 between the door and the panel.
I identified some possible reasons, what do you think? - the GPS plate is touching the SDR - but I dont really have a solution for that... - I added a small cooler below the SDRs, as they seem to get hot - do you think that this can have an impact? Should I remove it?
Below the hood, I also have the Dross board with the Baro and AHRS sensor, as well as the off-button. I don't know if these can have any impact on noise?
Thanks!
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TouchTheSky
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+x+x+xThank you very much @TouchTheSky and @b3nn0 for your answers, it is very clear. I will go have a look at Github discussion.
While I'm here, I would like to take the opportunity to ask about what is the best way to reduce the OGN Noise. Looking on the screenshot below, I seem to be suffering from significant range loss: 5.31x. Is there any way to improve this?
Thanks a lot, and happy Holidays to all!
I assume you are using the usual antennas so you may try to move them away from your Pi as it is the source for most of the "noise". A good alternative would be a T style dipole antenna which usually comes with 1-2m cable. Sometimes all metal Pi cases help but then Wifi might become less reliable. Can you post a picture of your Stratux? Btw, you may consider the Stratux Slack channel where many of us are quite active: Stratux Slack. Besides the "#general" channel there is a particular channel "#stratux-europe-edition". Thank you for you answer. I will register in Slack. In the meantime, attached a few pictures. Sorry for the orientations, but for some reason the forum in turning them as it wants...
The Startux is on a GoPro mount, and has large 1090 and 868 antennas. It is mounted on the left side window of a C172 between the door and the panel.
I identified some possible reasons, what do you think? - the GPS plate is touching the SDR - but I dont really have a solution for that... - I added a small cooler below the SDRs, as they seem to get hot - do you think that this can have an impact? Should I remove it?
Below the hood, I also have the Dross board with the Baro and AHRS sensor, as well as the off-button. I don't know if these can have any impact on noise?
Thanks!
This seems like a pretty standard Stratux, no immediate concerns. I would not worry too much about the 15dB OGN noise, it can have multiple reasons. Make sure that your antennas are oriented vertically.
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BJS
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+x+x+x+xThank you very much @TouchTheSky and @b3nn0 for your answers, it is very clear. I will go have a look at Github discussion.
While I'm here, I would like to take the opportunity to ask about what is the best way to reduce the OGN Noise. Looking on the screenshot below, I seem to be suffering from significant range loss: 5.31x. Is there any way to improve this?
Thanks a lot, and happy Holidays to all!
I assume you are using the usual antennas so you may try to move them away from your Pi as it is the source for most of the "noise". A good alternative would be a T style dipole antenna which usually comes with 1-2m cable. Sometimes all metal Pi cases help but then Wifi might become less reliable. Can you post a picture of your Stratux? Btw, you may consider the Stratux Slack channel where many of us are quite active: Stratux Slack. Besides the "#general" channel there is a particular channel "#stratux-europe-edition". Thank you for you answer. I will register in Slack. In the meantime, attached a few pictures. Sorry for the orientations, but for some reason the forum in turning them as it wants...
The Startux is on a GoPro mount, and has large 1090 and 868 antennas. It is mounted on the left side window of a C172 between the door and the panel.
I identified some possible reasons, what do you think? - the GPS plate is touching the SDR - but I dont really have a solution for that... - I added a small cooler below the SDRs, as they seem to get hot - do you think that this can have an impact? Should I remove it?
Below the hood, I also have the Dross board with the Baro and AHRS sensor, as well as the off-button. I don't know if these can have any impact on noise?
Thanks!
This seems like a pretty standard Stratux, no immediate concerns. I would not worry too much about the 15dB OGN noise, it can have multiple reasons. Make sure that your antennas are oriented vertically.
and to add some advice - the flat area of the pinkish GPS antenna has to point to the sky to get decent GPS reception ... have seen so many people with no physics understanding at all I can't count any more.
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KeiXiD
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Hello👋🏼
I have an Stratux and i would like to display bearingless targets directly in SD.
I already set my IP to xxx.1.1 instead of xxx.10.1 and connected the stratux via Flarm with AirConnect to SD and the bearingless target slider in SD is on.
Can anybody give me an advice?
I‘m using the latest Version (eu27).
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TouchTheSky
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+xHello👋🏼 I have an Stratux and i would like to display bearingless targets directly in SD.I already set my IP to xxx.1.1 instead of xxx.10.1 and connected the stratux via Flarm with AirConnect to SD and the bearingless target slider in SD is on.Can anybody give me an advice? I‘m using the latest Version (eu27). You should be ready to see bearingless targets, maybe the SD traffic altitude filter prevented you from seeing any traffic.
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KeiXiD
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This setting was at 12500ft so it should display targets.
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TouchTheSky
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+xThis setting was at 12500ft so it should display targets. One more thought: did you try to enable and use "FLARM Devices" Air Avionics AT-1 as the location source? Did you set the Stratux IP to 192.168.1.1?
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Adam Erchegyi
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+x+xThis setting was at 12500ft so it should display targets. One more thought: did you try to enable and use "FLARM Devices" Air Avionics AT-1 as the location source? Did you set the Stratux IP to 192.168.1.1? That's what he stated in the first question. I have the same settings and I see bearingless targets sometime. Maybe there was just none within range?
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Peter Robertson
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To see Bearingless Targets in SD, you must use the FLARM Protocol. GDL90 does not include Bearingless Target data.
You also need to select ‘Show Bearingless Targets’ in SD / Settings / Navigation Options - it is ‘OFF’ by default.
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KeiXiD
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Im pretty sure there were some planes near
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KeiXiD
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I use Flarm with AirConnect but do not use the Setting „Air Avionics“ i will try that the next time thanks
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Fliy
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+x+xThis setting was at 12500ft so it should display targets. One more thought: did you try to enable and use "FLARM Devices" Air Avionics AT-1 as the location source? Did you set the Stratux IP to 192.168.1.1? Is the reason for this problem the wrong IP address I have chosen?
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TouchTheSky
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Group: Forum Members
Posts: 153,
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+x+x+xThis setting was at 12500ft so it should display targets. One more thought: did you try to enable and use "FLARM Devices" Air Avionics AT-1 as the location source? Did you set the Stratux IP to 192.168.1.1? Is the reason for this problem the wrong IP address I have chosen? Maybe yes but latest Stratux version supports BLE and works nicely with SkyDemon. No WiFi issues any more...
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