Data Sheet

ADH-tech
GP3906-TLP Data Sheet
Rev.A01
13
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
29
SV on Channel 1
Satellite Used
21
SV on Channel 2
....
….
….
....
Satellite Used
SV on Channel 12
PDOP
2.32
Position Dilution of Precision
HDOP
0.95
Horizontal Dilution of Precision
VDOP
2.11
Vertical Dilution of Precision
Checksum
*00
<CR> <LF>
End of message termination
Mode 1 Table-5
Value
Description
M
Manual—forced to operate in 2D or 3D mode
A
2D Automatic—allowed to automatically switch 2D/3D
Mode 2 Table-6
Value
Description
1
Fix not available
2
2D (＜4 SVs used)
3
3D (≧4 SVs used)