GPS-622F Datasheet, PDF (13/17 Pages) rfsolutions.ltd – Low-Power High-Performance and Low-Cost 65 Channel GPS Engine Board (Flash based)

GPS SMART RECEIVER WITH ANTENNA
GPS-622F
5.3 GSA - GPS DOP AND ACTIVE SATELLITES
GPS receiver operating mode, satellites used in the navigation solution reported by the GGA or
GNS sentence and DOP values.
Structure:
$GPGSA,A,x,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,x.x,x.x,x.x*hh<CR><LF>
123 3 3 3 3 3 3 3 3 3 3 3 4 5 6 7
Example:
$GPGSA,A,3,01,20,19,13,,,,,,,,,40.4,24.4,32.2*0A<CR><LF>
Field Name
1 Mode
2 Mode
Satellite
3
1~12
4 PDOP
5 HDOP
6 VDOP
7 Checksum
Example
Description
Mode
‘M’ = Manual, forced to operate in 2D or 3D mode
A
‘A’ = Automatic, allowed to automatically switch
2D/3D
Fix type
1 = Fix not available
3
2 = 2D
3 = 3D
used 01,20,19,13, Satellite ID number, 01 to 32, of satellite used in
,,,,,,,,
solution, up to 12 transmitted
40.4
Position dilution of precision (00.0 to 99.9)
24.4
Horizontal dilution of precision (00.0 to 99.9)
32.2
Vertical dilution of precision (00.0 to 99.9)
0A
DS-GPS-622F-2 Sept 11
©2010 www.rfsolutions.co.uk
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