[gpsd-users] shared memory and fix.track

[Roger Oberholtzer]

Hi,

I am reading data from the gpsd shared memory segment. I see quite often that fix.track is NaN. The other values like fix.time, fix.latitude, fix.longitude and fix.speed seem to update consistently. But fix.track is the odd man out. Anyone know why that might be the case? When I do get a fix.track, it seems to be consistent with what I am parsing out of the raw NMEA data. My goal is to remove such parsing from my application, if it is possible.

Roger Oberholtzer

 

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