RACOM Midge MG102, Руководство по эксплуатации

Страница: 63 / 122

GGA–Global Positioning System Fixed Data
Example 3.3. GGA data format
$GPGGA,075738.0,4934.105405,N,01604.635656,E,1,06,2.2,622.9,M,44.0,M,,*52
Tab. 3.3: Reading of GGA data format
Description Units Name
GGA protocol header Message ID
hhmmss.s UTC Time
ddmm.mmmm Latitude
N=north or S=south N/S Indicator
dddmm.mmmm Longitude
E=east or W=west E/W Indicator
GPS SPS Mode, fix valid Position Fix Indicator
0 to 12 Satellite Used
Horizontal Dilution of Precision HDOP
meters MSL Altitude
meters Units
meters Geoid Separation
meters Units
not used second Age of Diff. Corr.
not used Diff. Ref. Station ID
Checksum
End fo message termination <CR><LF>
Note
A valid position fix indicator is derived from the SiRF Binary M.I.D. 2 position mode
1. See the SiRF Binary Reference manual.
VTG–Course Over Ground and Ground Speed
Example 3.4. VTG data format
$GPVTG,26.9,T,26.9,M,0.0,N,0.0,K,A*23
63 © RACOM s.r.o. – MG102, M!DGE, GPRS/EDGE/UMTS routers
Configuration