Справочник Пользователя для RoyalTek rgm-3000
RoyalTek RGM-3000/REB-3000
GPS Module Operational Manual)
GPS Module Operational Manual)
13
GGA-Global Positioning System
Fixed Data
Table 2 contains the values of the following
example: $GPGGA, 161229.487,
3723.2475, N, 12158.3416, W, 1,
07, 1.0, 9.0, M, , , ,0000*18
Table 2
GGA Data Format
Name Example
Units
Description
Message ID
$GPGGA
GGA protocol header
UTC Position
161229.487
hhmmss.sss
Latitude 3723.2475
ddmm.mmmm
N/S Indicator
N
N=north or S=south
Longitude 12158.3416
dddmm.mmmm
E/W Indicator
W
E=east or W=west
Position Fix Indicator
1
See Table 2-1
Satellites Used
07
Range 0 to 12
HDOP
1.0
Horizontal Dilution of Precision
MSL Altitude
9.0
meters
Units M
meters
Geoid Separation
meters
Units M
meters
Age of Diff. Corr.
second
Null fields when DGPS is not used
Diff. Ref. Station ID
0000
Checksum *18
＜
CR＞＜LF＞
End of message termination
Table 2-1
Position Fix Indicator
Value Description
0
Fix not available or invalid
1
GPS SPS Mode, fix valid
2
Differential GPS, SPS Mode, fix valid
3
GPS PPS Mode, fix valid
GLL-Geographic Position –
Latitude/Longitude
Table 3 contains the values of the following
example:$GPGLL, 3723.2475, N,
12158.3416, W, 161229.487, A*2C
Table 3
GLL Data Format
Name Example
Units
Description
Message ID
$GPGLL
GLL protocol header
Latitude 3723.2475
ddmm.mmmm
N/S Indicator
N
N=north or S=south
Longitude 12158.3416
Dddmm.mmmm
E/W Indicator
W
E=east or W=west
UTC Position
161229.487
hhmmss.ss
Status
A
A=data valid or V=data not valid
Checksum *2C
＜
CR＞＜LF＞
End of message termination
GSA-GNSS DOP and Active Satellites
Table 4 contains the values of the following
example:$GPGSA, A, 3, 07, 02, 26,
27, 09, 04, 15, , , , , , 1.8,1.0,1.5*33