GPS-18X19 Datasheet, PDF (8/11 Pages) List of Unclassifed Manufacturers – GPS Ultra High Sensitivity Module

GSA – GNSS 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,3,05,12,21,22,30,09,18,06,14,01,31,,1.2,0.8,0.9*36<CR><LF>
Field Name
Example
Description
1
Mode
A
Mode
‘M’ = Manual, forced to operate in 2D or 3D mode
‘A’ = Automatic, allowed to automatically switch 2D/3D
2
Mode
3
Fix type
1 = Fix not available
2 = 2D
3 = 3D
3
Satellite used 05,12,21,22,30 Satellite ID number, 01 to 32, of satellite used in solution,
1~12
,09,18,06,14,0 up to 12 transmitted
1,31,,
4
PDOP
1.2
Position dilution of precision (00.0 to 99.9)
5
HDOP
0.8
Horizontal dilution of precision (00.0 to 99.9)
6
VDOP
0.9
Vertical dilution of precision (00.0 to 99.9)
7
Checksum 36
http://www.wenshing.com.tw ; http://www.rf.net.tw
GPS-18X19 Datasheet P8