Command and Log Reference
38
ID
Field
Description
Symbol
Example
1
$GPGST
Log header
$GPGST
2
utc
UTC time of the current position
(hours/minutes/seconds/
decimal seconds)
hhmmss.ss
173653.00
3
rms
RMS value of the standard deviation of
the range involved in positioning. The
range include pseudoranges and DGPS
corrections
x.x
2.73
4
smjr std
Standard deviation of semi-major axis
of error ellipse (m)
x.x
2.55
5
smnr std
Standard deviation of semi-minor axis
of error ellipse (m)
x.x
1.88
6
orient
Orientation of semi-major axis of error
ellipse (degrees from true
north)
x.x
15.2525
7
lat std
Standard deviation of latitude error (m) x.x
2.51
8
lon std
Standard deviation of longitude error
(m)
x.x
1.94
9
alt std
Standard deviation of altitude error (m) x.x
4.30
10
*xx
Checksum
*hh
*6E
11
[CR][LF]
Sentence terminator
[CR][LF]
6.1.9
GPGSV GNSS Satellites in View
This command is used to log number of SVs in view, PRN numbers, elevation,
azimuth and SNR value. Four satellites maximum per message. When required,
additional satellite data sent in 2 or more messages (a maximum of 9). The total
number of messages being transmitted and the current message being transmitted
are indicated in the first two fields.
Recommend Input:
Output 1Hz GPGSV message from current serial port:
GPGSV 1
Output 1Hz GPGSV message from com2:
GPGSV COM2 1
LOG output:
$GPGSV,3,1,11,18,87,050,48,22,56,250,49,21,55,122,49,03,40,284,47*78
Table 6-10: GPGSV Message Description
ID
Field
Description
Symbol
Example
1
$GPGSV
Log header
$GPGSV
