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My notes about the Holux GPSports 245

How to retrieve the trace ?

Simply with gpsbabel (mtkbabel doesn't retrieve the elevation):

TIMESTAMP=$(date +%Y%m%d-%H%M%S)
gpsbabel -t -i m241 -f /dev/ttyUSB0 -o gpx -F trace-${TIMESTAMP}.gpx

The retrieved tracks are merged into a single trace. You can split automatically the trace every hour with the option "split":

gpsbabel -t -i m241 -f /dev/ttyUSB0 -x track,split=1h,title="LOG # %c" -o gpx -F trace-${TIMESTAMP}.gpx

Then, you can split the data into several files (one file for each tracks) with the python script gpxsplitter.