GPS-622F Datasheet, PDF (10/17 Pages) rfsolutions.ltd – Low-Power High-Performance and Low-Cost 65 Channel GPS Engine Board (Flash based)

GPS SMART RECEIVER WITH ANTENNA
GPS-622F
5. NMEA protocol
The serial interface protocol is based on the National Marine Electronics Association’s NMEA
0183 ASCII interface specification. This standard is fully define in “NMEA 0183, Version 3.01”
The standard may be obtained from NMEA, www.nmea.org
5.1 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,x.x,M,x.x,xxxx*hh<CR><LF>
1
2
3
4 5 6 7 8 9 10 11 12 13
Example:
$GPGGA,060932.448,2447.0959,N,12100.5204,E,1,08,1.1,108.7,M,,,,0000*0E<CR><LF>
Field Name
Example
Description
1 UTC Time
UTC of position in hhmmss.sss format, (000000.00 ~
060932.448
235959.99)
2 Latitude
2447.0959
Latitude in ddmm.mmmm format
Leading zeros transmitted
3 N/S Indicator N
Latitude hemisphere indicator, ‘N’ = North, ‘S’ = South
4 Longitude
Longitude in dddmm.mmmm format
12100.5204
Leading zeros transmitted
5 E/W Indicator E
Longitude hemisphere indicator, 'E' = East, 'W' = West
GPS quality indicator
0: position fix unavailable
1: valid position fix, SPS mode
GPS quality
6 ^indicator
1
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
DS-GPS-622F-2 Sept 11
©2010 www.rfsolutions.co.uk
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