Marport Scala2, User Manual

Page: 160 / 177

Scala2 | Version 5 | Appendix
NMEA Sentence Format
First compliant
version
of Scala
GNS - GNSS
Fix Data
$--GNS,hhmmss.ss,aaa.aa,L,bbbbb.bb,L,c--c,
dd,e.e,f.f,g.g,h.h,i.i,a*hh<CR><LF>
1. $--: Talker identifier*
2. GNS: Sentence formatter*
3. hhmmss.ss: UTC of position*
4. aaaa.aa,L: Latitude North/South (N/S)*
5. bbbbb.bb,L: Longitude East/West (E/W)*
6. c--c: Mode indicator
7. dd: Total number of satellites in use (00-99)
8. e.e: Horizontal dilution of precision
9. f.f: Antenna altitude above/below mean sea level (geoid), in
meters*
10. g.g: Geoidal separation, meters
11. h.h: Age of differential data
12. i.i: Differential reference station ID
13. *hh: Checksum*
1.0.0.0
HDG - Heading,
Deviation
& Variation
$--HDG,a.a,b.b,M,c.c,M*hh<CR><LF>
1. $--: Talker identifier*
2. HDG: Sentence formatter*
3. a.a: Sensor magnetic heading (degrees)*
4. b.b,M: Magnetic deviation (degrees), Easterly/Westerly (E/
W)*
5. c.c,M: Magnetic variation (degrees), Easterly/Westerly (E/
W)*
6. *hh: Checksum*
1.0.0.0
HDT -
Heading, True
$--HDT,a.a,T*hh<CR><LF>
1. $--: Talker identifier*
2. HDT: Sentence formatter*
3. a.a,T: Heading (degrees) True*
4. *hh: Checksum*
1.0.0.0
MTW - Water
Temperature
$--MTW,a.a,C*hh<CR><LF>
1. $--: Talker identifier*
2. MTW: Sentence formatter*
3. a.a,C: Temperature, degrees C*
4. *hh: Checksum*
1.4.0.0
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