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How To Convert Sony GPS Log File From NMEA To GPX Format Used By Endomondo?

I use Sony GPS-CS1 to perform geotagging (for photos taken by any digital camera) and GPS tracking (via Endomondo) for routes taken during a trip.

As the Sony GPS tracking log file is in NMEA format which is not currently supported by Endomondo, so a conversion process is required. Here, my preference is to convert NMEA to GPX format.

Using GPSBabel to convert GPS data log file

Download GPSBabel – a freeware released under GNU Public License for GPS data conversion. GPSBabel can run on Windows, Mac OS X, and Linux platform.

After install (on Windows 7), there are 2 ways to run GPSBabel, i.e. GUI and command-line.

For command-line version:

1. (Optional) Add gpsbabel.exe runtime directory to Windows PATH environment variable. On Windows 7 x64, this runtime directory is C:\Program Files (x86)\GPSBabel

2. To convert Sony GPS-CS1 NMEA log file to GPX format:
gpsbabel -i nmea -f taipei.log -o gpx -F taipei.gpx

To minimize GPS data that has poor horizontal accuracy due to weak satellite signal:
gpsbabel -i nmea -f taipei.log -x discard,hdop=10 -o gpx -F taipei.gpx

For GUI version, it’s intuitive with mouse-clicks:

Using GPSBabel freeware to convert Sony GPS NMEA data log file to GPX format

Now, login to Endomondo, go to Workouts page and use “Import Workout” option to get it plot the route on Google Maps.

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