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Rate of GPS data in gpx file


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MarkFrecker
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Dear SkyDemon community,

I have a question regarding the data files which are created after the flight.
I use an iPad mini 5 with an external GPS receiver from DUAL. It is set to a refresh rate of 1 Hz. 
After a flight with a logging time of about 1h09m the created gpx file does not contain about 4100 entries but only about 1300.
The distance between the entries is between 0 and 6 seconds,
Last flight as an example:
     124x 0sec (meaning the same time from one entry to the next one)
     212x 1sec
     198x 2sec
     108x 3sec
     99x 4sec
     554x 5sec
     6x 6sec
     1x >6sec

Why I do not have an entry for every second?

Please respond.

Happy flights 
Mark


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