Multitech SocketModem iCell MTSMC-G2-IP At Commands Reference Manual page 89

Part 6 – Commands for GPS-Enabled Devices
SUPPORTED MESSAGE LIST
The following NMEA messages are supported.
Sentence
GGA
GLL
GSA
GSV
RMC
VTG
NMEA MESSAGES
The full descriptions of supported NMEA messages are provided at the following paragraphs.
GGA – Global Positioning System Fix Data
Time, position and fix related data for a GPS receiver.
Structure:
$GPGGA,hhmmss.sss,ddmm.mmmm,a,dddmm.mmmm,a,x,xx,x.x,x.x,M,,,,xxxx*hh<CR><LF>
1
Example:
$GPGGA,111636.932,2447.0949,N,12100.5223,E,1,11,0.8,118.2,M,,,,0000*02<CR><LF>
Field Name
1
2
3
4
5
6
7
8
9
10
11
Universal IP AT Commands Reference Guide (Document S000457G)
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Descriptions
Global Positioning System Fix Data
Geographic Position – Latitude/Longitude
GNSS DOP and Active Satellites
GNS Satellites in View
Recommended Minimum Specific GNSS Data
Course Over Ground and Ground Speed
2 3 4
Example
UTC Time 1 111636.932
Latitude 2447.0949
N/S Indicator N
Longitude 12100.5223
E/W Indicator E
GPS quality 1
indicator
Satellites 11
Used
HDOP 0.8
Altitude 108.2
DGPS 0000
Station ID
Checksum 02
Chapter 16 – Commands for GPS-Enabled Devices
5 6 7 8 9 10 11
Description
UTC of position in hhmmss.sss format, (000000.000 ~
235959.999)
Latitude in ddmm.mmmm format
Leading zeros transmitted
Latitude hemisphere indicator, 'N' = North, 'S' = South
Longitude in dddmm.mmmm format
Leading zeros transmitted
Longitude hemisphere indicator, 'E' = East, 'W' = West
GPS quality indicator
0: position fix unavailable
1: valid position fix, SPS mode
2: valid position fix, differential GPS mode
3: GPS PPS Mode, fix valid
4: Real Time Kinematic. System used in RTK mode with
fixed integers
5: Float RTK. Satellite system used in RTK mode. Floating
integers
6: Estimated (dead reckoning) Mode
7: Manual Input Mode
8: Simulator Mode
Number of satellites in use, (00 ~ 12)
Horizontal dilution of precision, (00.0 ~ 99.9)
Mean sea level (geoid), (-9999.9 ~ 17999.9)
Differential reference station ID, 0000 ~ 1023
NULL when DGPS not used
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