30
/
49
position domain in order to give statistical measures of the quality of the position
solution.
Table 44 GPGST
Name
Value
Input
log gpgst ontime 1
Example (GPS only)
$GPGST,033407.00,0.00,0.00,0.00,0.0000,0.45,0.43,0.45*63
Example (Combined
GPS/GLONASS/BDS)
$GNGST,033437.00,0.00,0.00,0.00,0.0000,0.44,0.42,0.44*61
Function
Pseudorange measurement noise statistics
3.1.13
GPGRS
This log reports the range residuals. The residuals are recomputed after the position
solution in the GPGGA message is computed.
Table 45 GPGRS
Name
Value
Input
log gpgrs ontime 1
Example (GPS only)
$GPGRS,033854.00,1,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,,*47
Example (Combined GPS
/GLONASS/BDS)
$GPGRS,033950.00,1,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,,*42
$GLGRS,033950.00,1,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,,,,*13
$BDGRS,033950.00,1,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,,*4B
Function
GPS range residuals for each satellite
3.1.14
GPSEPHEM
This log contains a single set of GPS ephemeris parameters. This command is used to
log GPS broadcast ephemeris in ASCII format.
Table 46 GPSEPHEM
Name
Value
Input
log gpsephem onchanged
Example
<GPSEPHEM COM1 0 0.0 FINESTEERING 1943 445309.000
00000000 407 20161214 3 439200.0 0 30 30 1943 1943 446400.0
2.65607
4.344466679e-09
2.02100
5.580164725e-04
1.520378678e-01
-1.028180122e-06