EverMore GM-R700/ST-K700 Bedienungsanleitung Seite 18

$GPRMC
This message transfers recommended minimum specific GNSS data. The $GPRMC message format is
shown below.
Field
Message ID $GPRMC
UTC Time hhmmss.sss
Status char
Latitude Float
N/S Indicator Char
Longitude Float
E/W indicator Char
Speed over Float
ground
Course over Float
ground
Date ddmmyy
Magnetic variation Blank
E/W indicator Blank
Mode Char
Checksum *xx
Message <CR> <LF>
terminator
$GPVTG
This message transfers Velocity, course over ground, and ground speed. The $GPVTG message format is
shown below.
Field
Message ID $GPVTG
Course (true) Float
Reference Char
Course Float
(magnetic)
Reference Char
Speed Float
Units Char
Speed Float
units Char
Mode Char
Checksum *xx
Message <CR>
terminator <LF>
EverMore Technology Inc.
2F, No.7, R&D Road 1, Science-Based Industrial Park, Hsinchu, Taiwan, 300, R.O.C.
Format Min
chars
6
1,2,2.1
1
1,2.1
1
1,2.1
1
1,1
1.1
2,2,2
(0)
(0)
1
(0) 3
2
Format Min
chars
6
1.1
1
1.1
1
1.1
1
1.1
1
1
(0) 3
2
GM-R700 Bedienungsanleitung
Max
chars
6 RMC protocol header.
2,2,2.3 Fix time to 1ms accuracy.
1 A Data Valid.
V Data invalid.
3,2.4 Degrees * 100 + minutes.
1 N=north or S=south.
3,2.4 Degrees * 100 + minutes.
1 E=east or W=west.
5.3 Speed over ground in knots.
3.2 Course over ground in degrees.
2,2,2 Current date.
(0) Not used.
(0) Not used.
1 A Autonomous
3 2 digits.
2 ASCII 13, ASCII 10.
Max
chars
6 VTG protocol header.
3.2 Measured heading in degrees.
1 T = true heading.
3.2 Measured heading (blank).
1 M = magnetic heading.
4.2 Speed in knots.
1 N = knots.
4.2 Speed
1 K = Km/h.
1 A Autonomous
3 2 digits.
2 ASCII 13, ASCII 10.
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Notes
Notes