Marport Scala2, User Manual

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Scala2 | Version 5 | Appendix
NMEA Sentence Format
First compliant
version
of Scala
VTG - Course
Over Ground and
Ground Speed
$--VTG,a.a,T,b.b,M,c.c,N,d.d,K*hh<CR><LF>
1. $--: Talker identifier*
2. VTG: Sentence formatter*
3. a.a,T: Course over ground, degrees, True*
4. b.b,M: Course over ground, degrees, Magnetic
5. c.c,N: Speed over ground, knots*
6. d.d,K: Speed over ground, km/hr*
7. *hh: Checksum*
1.3.3.0
VWR - Relative
(Apparent) Wind
Speed and Angle
$--VWR,a.a,L,b.b,N,c.c,M,d.d,K*hh<CR><LF>
1. $--: Talker identifier*
2. VWR: Sentence formatter*
3. a.a,L: Relative Wind angle, 0 to 180 degrees, Left or Right
(L/R)*
4. b.b,N: Wind speed, knots
5. c.c,M: Wind speed, meters/second
6. d.d,K: Wind speed in Km/Hr
7. *hh: Checksum*
1.3.3.0
Proprietary Sentences
Symbol (*) indicates which parts of the sentence Scala2 uses.
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