Chengdu Ebyte Electronic Technology Co.,Ltd.
E108-GN User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
2
27
7.3.2 GGA
$--GGA,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x,xx,x.x,x.x,M,x.x,M,x.x,xxxx*hh
Sample data
：
$GPGGA,065545.789,2109.9551,N,12023.4047,E,1,9,0.85,18.1,M,8.0,M,,*5E
Name
Example
Unit
Description
message ID
$GPGGA
GGA protocol header
UTC time
065545.789
hhmmss.sss
latitude
2109.9551
ddmm.mmmm
N/S indication
N
N=North, S=South
longitude
12023.4047
dddmm.mmmm
E/W indication
E
W=west, E=east
Positioning instructions
0: not located
1: SPS mode, positioning is valid
2: Differential, SPS mode, positioning is valid
3: PPS mode, positioning is valid
number of satellites
9
Range 0 to 12
HDOP
0.85
Horizontal accuracy
MSL amplitude
18.1
M
unit
M
M
the earth
-2.2
M
unit
M
-
differential time
8.0
S
Invalid when there is no DGPS
Differential ID
0000
checksum
*5E
<CR><LF>
End of message
7.3.3 GSA
$--GSA,a,a,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x.x,x.x,x.x*hh
Sample data
：
$GPGSA,A,3,10,24,12,32,25,21,15,20,31,,,,1.25,0.85,0.91*04
Name
Example
Unit
Description
message ID
$GPGS
GSA protocol header
Mode 1
A
M=manual, force in 2D or 3D mode
Mode 2
3
A=Auto
satellite use
10
1: Positioning invalid; 2: 2D positioning; 3: 3D
positioning
satellite use
24
Channel 1
satellite use
12
Channel 2
satellite use
32
Channel 3
satellite use
25
Channel 4
satellite use
21
Channel 5
satellite use
15
Channel 6
satellite use
20
Channel 7
...
...
...
...
satellite use
Channel 12
PDOP
1.25
Position accuracy
HDOP
0.85
Horizontal accuracy
VDOP
0.91
vertical accuracy
checksum
*04
<CR><LF>
End of message
