Novatel OM-20000041 用户手册
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Logs summary
164
MiLLennium GPSCard Software Version 4.50 Command Descriptions Manual Rev 1
GPGST
Pseudorange Measurement Noise Statistics
Pseudorange measurement noise statistics are translated in the position domain in order to give statistical measures
of the quality of the position solution.
of the quality of the position solution.
Structure:
Example:
$GPGST,192911.0,28.7,21.6,12.0,20.4,20.7,13.6,11.9*51[CR][LF]
$GPGST
utc
rms
smjr std
smnr std
orient
lat std
lon std
alt std
*xx
[CR][LF]
Field
Structure
Field Description
Symbol
Example
1
$GPGST
Log header
$GPGST
2
utc
UTC time of position (hours/minutes/seconds/ decimal seconds)
hhmmss.ss
192911.0
3
r m s
RMS value of the standard deviation of the range inputs to the
navigation process. Range inputs include pseudoranges and DGPS
corrections.
navigation process. Range inputs include pseudoranges and DGPS
corrections.
x.x
28.7
4
smjr std
Standard deviation of semi-major axis of error ellipse (meters)
x.x
21.6
5
smnr std
Standard deviation of semi-minor axis of error ellipse (meters)
x.x
12.0
6
orient
Orientation of semi-major axis of error ellipse (degrees from true north)
x.x
20.4
7
lat std
Standard deviation of latitude error (meters)
x.x
20.7
8
lon std
Standard deviation of longitude error (meters)
x.x
13.6
9
alt std
Standard deviation of altitude error (meters)
x.x
11.9
10
*xx
Checksum
*hh
*51
11
[CR][LF]
Sentence terminator
[CR][LF]