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HEX code display only


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Tony N
Tony N
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I was flying yesterday and detecting an aircraft showing only its HEX code and not registration (I use SE2 for ADS-B In/FLARM reception).
Why would this be?
If the aircraft was transmitting ADS-B Out and FLARM simultaneously which does SD display ?
Tony

Tim Dawson
Tim Dawson
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When you say showing, where did you see this?

As long as the Flarm is outputting an ICAO hex code, you won't get duplicate targets, but you might see it refresh more often if it's being received via both ADS-B and Flarm.

pilot-byom
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HexID only is highly probable a 868MHz uncertified unregulated sender. These become increasingly annoying and don't even follow the aircraft ID regulations. 868MHz or other Flarm frequencies are completely let loose and many tinker with homebuilt devices, totally legal. Get used to it for the time being, Be lucky if it was not the garage door opener or home automation device down below, they use the same bands and btw some companies already began using the frequencies for other tracking operations - nothing to prevent that.
Edited 4/21/2021 5:18:46 PM by pilot-byom
Tony N
Tony N
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I saw the HEX code only display on my SD moving map display.
Tony

Tim Dawson
Tim Dawson
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It's possible the traffic received was from a Flarm device but was broadcasting an ADS-B hex code. In that case, we would not have the registration to give you, so we would display the hex code instead.
GO

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