
2.1.3 GSA-GNSS  DOP and Active Satellites
Table 
$GPGSA, A, 3, 07, 02, 26, 27, 09, 04, 15, , , , , , 1.8,1.0,1.5*33
Table 2-5  GSA Data Format
Name | Example  | Units  | Description  | 
  | 
  | 
  | 
  | 
Message ID  | $GPGSA  | 
  | GSA protocol header  | 
  | 
  | 
  | 
  | 
Mode 1  | A  | 
  | See Table   | 
  | 
  | 
  | 
  | 
Mode 2  | 3  | 
  | See Table   | 
  | 
  | 
  | 
  | 
Satellite Used  | 07  | 
  | Sv on Channel 1  | 
  | 
  | 
  | 
  | 
Satellite Used  | 02  | 
  | Sv on Channel 2  | 
  | 
  | 
  | 
  | 
….  | 
  | 
  | ….  | 
  | 
  | 
  | 
  | 
Satellite Used  | 
  | 
  | Sv on Channel 12  | 
  | 
  | 
  | 
  | 
PDOP  | 1.8  | 
  | Position Dilution of Precision  | 
  | 
  | 
  | 
  | 
HDOP | 1.0  | 
  | Horizontal Dilution of Precision  | 
  | 
  | 
  | 
  | 
VDOP  | 1.5  | 
  | Vertical Dilution of Precision  | 
  | 
  | 
  | 
  | 
Checksum  | *33  | 
  | 
  | 
  | 
  | 
  | 
  | 
<CR><LF>  | 
  | 
  | End of message termination  | 
  | 
  | 
  | 
  | 
Table 2-6  Mode 1
Value
1
2
3
Description
Fix not available 2D
3D
Table 
Value | Description  | 
M
A
2.1.4GSV-GNSS  Satellites in View
Table 
$GPGSV, 2, 1, 07, 07, 79, 048, 42, 02, 51, 062, 43, 26, 36, 256, 42, 27, 27, 138, 42*71$GPGSV, 2, 2, 07, 09, 23, 313, 42, 04, 19, 159, 41, 15, 12, 041, 42*41
14