/usr/bin/gpxlogger: version 3.27.5 (revision 3.27.5)

Usage: /usr/bin/gpxlogger [OPTIONS] [server[:port:[device]]]

  -?                  Show this help, then exit
  --daemonize         Daemonize
  --debug LVL         Set debug level.
  --export EXPORTMETHOD  Default file
  --exports           List available exports, then exit
  --filein INFILE     Read from INFILE, not gpsd
  --garmin            Enable Garmin depth output
  --help              Show this help, then exit
  --interval TIMEOUT  Create new track after TIMEOUT seconds. Default 5
  --minmove MINMOVE   Minimum move in meters to log
  --output OUTFILE    Send gpx output to file OUTFILE
  --reconnect         Retry when gpsd loses the fix.
  --version           Show version, then exit
  -D LVL              Set debug level.
  -d                  Daemonize
  -e EXPORTMETHOD     Default file
  -f OUTFILE          Send gpx output to file OUTFILE
  -F INFILE           Read *gpsd* JSON from INFILE, not gpsd
  -g                  Enable Garmin depth output
  -h                  Show this help, then exit
  -i TIMEOUT          Create new track after TIMEOUT seconds. Default 5
  -l                  List available exports, then exit
  -m MINMOVE          Minimum move in meters to log
  -r                  Retry when gpsd loses the fix.
  -V                  Show version and exit



Note: gpxlogger sends error messages to the system log, not stderr.