Airmar LB150 - Manual (Page 23)

LB150 WeatherStation Technical Manual revision 0.013
Proprietary and Confidential
PRELIMINARY - DRAFT 20
NMEA 0183 TRANSMITTED SENTENCE
$GP
RMC
Summary
NMEA 0183 standard Recommended Minimum Specific GNSS Data.
Syntax
$GPRMC,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,
<9>,<10>,<11>,<12>*hh<CR><LF>
Fields
<1> UTC of position, in the form hhmmss
<2> Status: A = Data Valid; V = Navigation Receiver Warning
<3> Latitude, to the nearest .0001 minute
<4> N if field <2> is North Latitude
S if field <2> is South Latitude
<5> Longitude, to the nearest .0001 minute
<6> E if field <4> is East Longitude
W if field <4> is West Longitude
<7> Speed Over Ground, knots, to the nearest 0.1 knot
<8> Course Over Ground, degrees True, to the nearest 0.1 degree
<9> Date: ddmmyy
<10> Magnetic Variation, degrees E/W, to the nearest 0.1 degree
<11> E if field <10> is degrees East
W if field <10> is degrees West
<12> Mode indicator:
A = Autonomous mode
D = Differential mode
E = Estimated (dead reckoning) mode
M = Manual input mode
S = Simulator mode
N = Data not valid
The only values transmitted by the LB150 WeatherStation for the
Mode indicator are A, D, and N.
Default State
Disabled. Transmitted once per second when enabled.