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pvazteixeira/gps_nmea_log.md

Created July 30, 2020 21:46
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gpsd nmea logging
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gps_nmea_log.md 
This set of notes describes the process to get a raspberry pi to log position data using a USB GNSS receiver 
- Install gpsd and its clients: `sudo apt install gpsd gpsd-clients`
- Connect your USB GPS and restart
- Make sure `gpsd` is running: `sudo service gpsd status`
- Check you're getting good GPS reception by running `cgps`
- Run `nohup gpspipe -w -r -o track.nmea` to log NMEA sentences to a file (add `-t` flag to log system time at every sentence)
  - the `nohup` command will let the logging continue even if your SSH connection drops
- Copy the log to your machine and use a tool like GPXSee to plot your path
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