EverMore GM-R700/ST-K700 Bedienungsanleitung Seite 15

$GPGGA
This message transfers global positioning system fix data. The $GPGGA message structure is shown
below:
Field Format
Message $GPGGA
ID
UTC Time hhmmss.sss
Latitude float
N/S char
Indicator
Longitude float
E/W Char
indicator
Position Fix Int
Indictor
Satellites Int
Used
HDOP Float
MSL Float
Altitude
Units Char
Geoid Int
Separation
Units Char
Age of int
Differential
Corrections
Diff int
Reference
Corrections
Checksum *xx
Message <CR> <LF>
terminator
EverMore Technology Inc.
2F, No.7, R&D Road 1, Science-Based Industrial Park, Hsinchu, Taiwan, 300, R.O.C.
Min Max
chars chars
6 6
2,2,2.3 2,2,2.3
3,2.4 3,2.4
1 1
3,2.4 3,2.4
1 1
1 1
2 2
1.1 3.1
1.1 5.1
1 1
(0) 1 4
1 1
(0) 1 5
4 4
(0) 3 3
2 2
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GM-R700 Bedienungsanleitung
Notes
GGA protocol header.
Fix time to 1ms accuracy.
Degrees * 100 + minutes.
N=north or S=south
Degree * 100 + minutes.
E=east or W=west
0: Fix not available or invalid.
1: GPS SPS mode. Fix available.
Number of satellites used to calculate fix.
Horizontal Dilution of Precision.
Altitude above mean seal level
M Stands for "meters".
Separation from Geoids can be blank.
M Stands for "meters".
Age in seconds Blank (Null) fields when DGPS
is not used.
0000.
2 digits.
ASCII 13, ASCII 10.