Usage: gpsdecode [OPTIONS]

  --ais              AIS dump format with an ASCII pipe separator.
  --debug DEBUG      Set debug level.
  --decode           Decode [default]
  --encode           Encode.  JSON decode/encode
  --help             Show this help, then exit
  --json             JSON.
  --minlength        Minimum length, no JSON.
  --nmea             pseudo NMEA
  --spartn           SPARTN enable.
  --split24          split24
  --types TYPES      Types
  --unscaled         Unscaled
  --verbose          Verbose.
  --version          Print version, then exit
  -?                 Show this help, then exit
  -c                 AIS dump format with an ASCII pipe separator.
  -D DEBUG           Set debug level.
  -d                 Decode [default]
  -e                 Encode.  JSON decode/encode
  -h                 Show this help, then exit
  -j                 JSON.
  -m                 Minimum length, no JSON
  -n                 pseudo NMEA
  -s                 split24
  -t TYPES           Types, comma separated.
  -u                 Unscaled
  -V                 Print version and exit.
  -v                 Verbose.
  -z                 SPARTN enable.