C
ONFIGURATION
C
OMMAND
S
ET
- F
IRMWARE
R
EVISION
2.4.0_
BETA
-
V
ERSION
1.0.0
6.5.1.5
$GPVTG message
The $GPVTG message includes course over ground and ground speed.
Example:
$GPVTG,109.53,T,,M,0.15,N,0.3,K
*69
Field
Format
Example
Description
1
$GPGSA
$GPGSA
Start of sentence
2
a
A
Operating mode:
M:
Manual, operate in 3-D mode.
A:
Automatically choose 2-D or 3-D mode.
3
x
2
Fix mode:
1:
Fix not available
2:
2-D fix
3:
3-D fix
4
xx,xx, . . .
05
PRN numbers of satellites in use (unused fields null)
5
x.x
13.4
Position dilution of precision
6
x.x
8.9
Horizontal dilution of precision
7
x.x
10.0
Vertical dilution of precision
8
*hh
*3D
Checksum
9
<
CR
><
LF
>
End of message termination
Table 54:
The GPGSA message data format.
6.5.1.6
$GPGLL message
The $GPGLL message includes the latitude, longitude, UTC time of position fix and
status.
Example:
$GPGLL,5040.4025,N,01058.8342,E,113704.665,A
*32
Field
Format
Example
Description
1
$GPGLL
$GPGLL
Start of sentence
2
ddmm.mmm
m
5040.4025
Latitude
3
a
N
Latitude direction (N/S)
4
dddmm.mmm
m
01058.8342
Longitude
5
a
E
Longitude direction (W/E)
6
hhmmss.sss
113704.665
UTC Position
7
a
A
Position validity (A: valid, V: invalid or S*: invalid)
8
*hh
*32
Checksum
9
<CR><LF>
End of message termination
Table 55:
The GPGLL message data format.
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