FGPMMOPA5 Datasheet, PDF (17/21 Pages) List of Unclassifed Manufacturers – 51-channel GPS Engine Board

FGPMMOPA5
Datasheet
GSA—GNSS DOP and Active Satellites
Table-4 contains the values for the following example：
$GPGSA,A,3,23,05,13,04,17,12,10,,,,,,1.44,1.11,0.92*0F
GSA Data Format
Table-4
Name
Example Units Description
Message ID
$GPGSA
GSA protocol header
Mode 1
A
See Table-5
Mode 2
3
See Table-6
Satellite Used
23
SV on Channel 1
Satellite Used
05
SV on Channel 2
....
….
…. ....
Satellite Used
SV on Channel 12
PDOP
1.44
Position Dilution of Precision
HDOP
1.11
Horizontal Dilution of Precision
VDOP
0.92
Vertical Dilution of Precision
Checksum
*0F
<CR> <LF>
End of message termination
Mode 1
Value
M
A
Mode 2
Value
1
2
3
Table-5
Description
Manual—forced to operate in 2D or 3D mode
2D Automatic—allowed to automatically switch 2D/3D
Table-6
Description
Fix not available
2D (＜4 SVs used)
3D (≧4 SVs used)
Rev.A04
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