GPS...

  

$GPRMC,091915.000,A,5133.41632,N,00150.33776,W,0.829,129.12,100216,<magVariation>,<E/W>,A*64

Name Example Format Type Comment Term
Message ID $GPRMC RMC Protocol Header Text   1
UTC Time 091915.00 HHMMSS.ss Text   2
Data Status A A = Valid, V = Invalid     3
Latitude 5133.41632 DDMM.mmmmm     4
N/S Cardinal N N = North, S =  South     5
Longitude 00150.33776 DDDMM.mmmmm     6
E/W Cardinal W Single Character     7
Speed 0.829 K.kk Speed in Knots   8
Course 128.12 DDD.dd Course in Degrees   9
UTC Date 100216 DDMMYY     10
Magnetic Variation   DDD.dd NULL if not used   11
E/W Cardinal   Single Character NULL if not used    
Mode A A = Autonomous, D = DGPS, E = DR NMEA 2.3 onwards   12
End Marker/Checksum *64       13

 

$GPGGA,091915.00,5133.41632,N,00150.33776,W,1,04,2.22,117.1,M,47.7,M,<NULL>,*4B

 

Name Example Format Comment Term
Message ID $GPGGA     0
UTC Time 091915.00     1
Latitude 5133.41632 DDMM.mmmmm   2
N/S Cardinal N     3
Longitude 00150.33776 DDDMM.mmmmm   4
E/W Cardinal W     5
GPS Quality 1 See Table 1   6
Number of Satellites 04     7
HDOP 2.22 D.d   8
Antenna Altitude 117.1 D.d   9
Antenna Altitude Units M Meters   10
Geoidal Separation 47.7 D.d   11
Geoidal Separation Units M Meters   12
Age of Differential GPS Data 400.3 S.s NULL field if DGPS is not used 13
Differential Station ID 0000 0000 - 1023 NULL if not used 14
End Marker/Checksum *4B      

Table 1
0 Fix Not Available
1 GPS Fix
2 Differential GPS fix (values below 2 are NMEA 2.3 features)
3 PPS fix
4 Real Time Kinematic
5 Float RTK
6 estimated (dead reckoning)
7 Manual input mode
8 Simulation mode