Hemisphere GPS V104s - Page 42

V104s GPS Compass User Guide
37
In Table 3-3 the Info Type value is one of the following:
• P = Position
• V = Velocity, Time
• H = Heading, Attitude
• S = Sats, Stats, Quality
Table 3-3: NMEA 0183 and other messages
Message
Info
Type
Description
IEC
Approved
Message
$GPDTM P Datum reference Yes
$GPGGA P GPS position and fix data Yes
$GPGLL P Geographic position - lat/long Yes
$GPGNS P GNSS position and fix data Yes
$GPGRS S GNSS range residual (RAIM) Yes
$GPGSA S GNSS DOP and active satellites Yes
$GPGST S GNSS pseudo range error statistics and
position accuracy
Yes
$GPGSV S GNSS satellites in view Yes
*$GPHDG H Provides magnetic deviation and variation for
calculating magnetic or true heading
*see last bullet in Note at end of this table
Yes
*$GPHDM H Magnetic heading (based on GPS-derived
heading and magnetic declination)
*see last bullet in Note at end of this table
No
*$GPHDT H GPS-derived true heading
*see last bullet in Note at end of this table
Yes
$GPHEV H Heave value (in meters) Yes
$GPRMC P Recommended minimum specific GNSS data Yes
*$GPROT H GPS-derived rate of turn (ROT)
*see last bullet in Note at end of this table
Yes