GPS R
ECEIVER
E
XT
A
NTENNA
5.3 GSA - GPS DOP AND ACTIVE SATELLITES
GPS-610F
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
Example
Description
Description
Mode
1
Mode
A
‘M’ = Manual, forced to operate in 2D or 3D mode
‘A’ = Automatic, allowed to automatically switch
2D/3D
Fix type
1 = Fix not available
2
Mode
3
2 = 2D
3 = 3D
3
4
5
6
7
Satellite
1~12
PDOP
HDOP
VDOP
Checksum
used 01,20,19,13, Satellite ID number, 01 to 32, of satellite used in
,,,,,,,,
40.4
24.4
32.2
0A
solution, up to 12 transmitted
Position dilution of precision (00.0 to 99.9)
Horizontal dilution of precision (00.0 to 99.9)
Vertical dilution of precision (00.0 to 99.9)
DS-GPS610F-1
Jul 09
©2009
www.rfsolutions.co.uk
Page 12
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