Rikaline GPS-22 User Manual page 9

4.1.2 Geographic Position with Latitude/Longitude (GLL)
Table 4-4 contains the values for the following example:
$GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2C
Table 4-4 GLL Data Format
Name
Message ID
Latitude
N/S Indicator
Longitude
E/W Indicator
UTC Position
Status
Checksum
<CR> <LF>
4.1.3 GNSS DOP and Active Satellites (GSA)
Table 4-5 contains the values for the following example:
$GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.8,1.0,1.5*33
Table 4-5 GSA Data Format
Name
Message ID
Mode 1
Mode 2
Satellite Used (1)
Satellite Used (1)
......
Satellite Used
PDOP
HDOP
VDOP
Checksum
<CR> <LF>
(1) Satellite used in solution.
Table 4-6 Mode 1
Value
M
A
Table 4-7 Mode 2
Value
1
2
3
4.1.4 GNSS Satellites in View (GSV)
Table 4-8 contains the values for the following example:
$GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71
$GPGSV,2,2,07,09,23,313,42,04,19,159,41,15,12,041,42*41
Table 4-8 GSV Data Format
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GPS-22 Operating Manual
Example Units
$GPGLL
3723.2475
N
12158.3416
W
161229.487
A
*2C
Example Units
$GPGSA
A
3
07
02
1.8
1.0
1.5
*33
Description
Manual—forced to operate in 2D or 3D mode
2D Automatic—allowed to automatically switch 2D/3D
Description
Fix Not Available
2D
3D
14F
, 171, ChengGong Rd., Sanchong City, Taipei 241, Taiwan, R. O.C
Description
GLL protocol header
ddmm.mmmm
N=north or S=south
dddmm.mmmm
E=east or W=west
hhmmss.sss
A=data valid or V=data not valid
End of message termination
Description
GSA protocol header
See Table 5-6
See Table 5-7
Sv on Channel 1
Sv on Channel 2
....
Sv on Channel 12
Position Dilution of Precision
Horizontal Dilution of Precision
Vertical Dilution of Precision
End of message termination
Specifications subject to change without prior notice
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