Few days back I bought a new GPS data logger from Sparc Systems Limited , GDL 3204. It comes with a nice 3 page manual. The last page explains the data format of the logs. The device works in a very nice and easy way, it is having 32 channels.

We already had a nice python script to parse the log and create gpx files. But for me , every time "cat"ing the device and then convert the log is a difficult task.

Sparcy , which can get the data from the device and convert them into gpxfor you. If you already have the raw data, you can convert them to gpx too. People from #osm helped me a lot to understand how latitude and longitude calculations are done. RPMs are available here.

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