pub fn parse_hdt(sentence: NmeaSentence<'_>) -> Result<HdtData, Error<'_>>Expand description
Parse HDT message
From gpsd/driver_nmea0183.c
$HEHDT,341.8,T*21
HDT,x.x*hh<cr><lf>
The only data field is true heading in degrees. The following field is required to be ‘T’ indicating a true heading. It is followed by a mandatory nmea_checksum.