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SPSx80 and SPSx81 Smart GPS Antennas User Guide     

NMEA-0183 Output     

The RMC string is shown below, and 

Table A.13

 describes the message fields.

$GPRMC,123519,A,4807.038,N,01131.000,E,022.4,084.4,230394,003.1,W*6A

Table A.13

GPRMC message fields 

0

message ID $GPRMC

1

UTC of position fix

2

Status A=active or V=void

3

Latitude

4

Longitude

5

Speed over the ground in knots

6

Track angle in degrees (True)

7

Date

8

Magnetic variation in degrees

9

The checksum data, always begins with *