User manual

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Speci cations | HS70 User Manual
NMEA 0183 messages
Message Info Type Description
IEC Approved
Message
Freq (Hz)
$GPGGA P GPS position and fi x data Yes 1
$GPHDG H
Magnetic variation for calculating
magnetic or true heading
Yes 1
$GPHDT H GPS-derived true heading Yes 10
$GPROT H GPS-derived rate of turn (ROT) Yes 1
$GPVTG V COG and ground speed Yes 1
$GPZDA V Time and date Yes 1