136
GGA : Message de position GNSS
$GPGGA,m1,m2,c3,m4,c5,d6,d7,f8,f9,M,f10,M,f11,d12*cc
Parameter
m1
Current UTC time of position (hhmmss.ss)
m2
Latitude of position (ddmm.mmmmmm)
c3
Direction of latitude
m4
Longitude of position (dddmm.mmmmmm)
c5
Direction of longitude
Position type:
• 0: Position not available or invalid
• 1: Autonomous position
• 2: RTCM Differential (or SBAS Differential)
d6
• 3: Not used
• 4: RTK fixed
• 5: RTK float
• 6: Estimated (dead reckoning) mode
Number of GNSS Satellites being used in the
d7
position computation
f8
HDOP
Altitude, in meters, above mean seal level.
f9,M
"M" for meters
f10,M
Geoidal separation in meters. "M" for meters.
f11
Age of differential corrections, in seconds
d12
Base station ID
*cc
Checksum
GGK : Message de position GNSS
Voir documentation Trimble.
Description
Range
000000.00-
235959.99
0-90
0-59.999999
N, S
0-180
0-59.999999
E,W
0-6
3-26
0-99.9
± 99999.999,M
± 999.999,M
0-600999
0-4095
*00-*FF