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4.1.4 GSA - GPS DOP AND
ACTIVE SATELLITES
GPS receiver operating mode, satellites used for navigation,
and DOP values.
Format:
$GPGSA,<1>,<2>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,
<3>,<3>,<3>,<3>,<4>,<5>,<6>*<7><CR><LF>
Example:
$GPGSA,A,3,26,21,,,09,17,,,,,,,10.8,02.1,10.6*07<CR><LF>
Field
1
2
3
4
5
6
7
Example
A
3
26,21,,,09,
17,,,,,,
10.8
02.1
10.6
07
Description
Mode, 'M' = Manual, 'A' = Automatic
Fix type, 1 = not available,
2 = 2D fix, 3 = 3D fix
PRN number, 01 to 32, of satellite
used in 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
Checksum