Datasheet

GP-1818MK
7
Name
Example
Units
Description
Message ID
$GPGGA
GLL protocol header
Latitude
3723.2475
ddmm.mmmm
N/S Indicator
N
N=north or S=south
Longitude
12158.3416
Dddmm.mmmm
E/W Indicator
W
N=north or S=south
UTC Position
161229.487
Hhmmss.ss
Status
A
A=data valid or V=data not
valid
Checksum
*2C
＜CR＞＜LF＞
End of message termination
3.1.3 GSA-GNSS DOP and Active Satallites
Table 4 contains the values of the following example:
$GPGSA, A, 3, 07, 02, 26, 27, 09, 04, 15, , , , , , 1.8,1.0,1.5*33
Table 4 GSA Data Format
Name
Example
Units
Description
Message ID
$GPGSA
GSA protocol header
Mode 1
A
See Table 4-2
Mode 2
3
See Table 4-1
Satellite Used
07
Sv on Channel 1
Satellite Used
02
Sv on Channel 2
…
…
Satellite Used
Sv on Channel 12
PDOP
1.8
Position Dilution of Precision
HDOP
1.0
Horizontal Dilution of Precision
VDOP
1.5
Vertical Dilution of Precision
Checksum
*33
＜CR＞＜LF＞
End of message termination
Table 4-1 Mode 1
Value
Description