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MX535 UAIS Transponder Unit
Technical & Installation Manual
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14
3.4.3 Priority Handling of Sensor Sentence
The following table shows the priority handling of NMEA sentences. The sentences, which are treated with
higher priority, are listed first.
Positioning System Source Priority
HIGH
Time of Position
Latitude/Longitude GNS
Position accuracy GLL
GGA
RMC
Rate of Turn(ROT) ROT
Reference Datum DTM
Speed over Ground VBW
VTG
OSD
RMC
Heading HDT
OSD
RAIM Indicator GBS
LOW
Supported NMEA-0183 Sentences
DTM - Reference
1 2 3 4 5 6 7 8 9
| | | | | | | | |
$--DTM,ccc,a,x.x,a,x.x,a,x.x,ccc*hh<CR><LF>
Field Numbers:
1) Local datum code (W84,W72,S85,P90,999-user defined, IHO datum code)
2) Local datum subdivision code
3) latitude offset, minutes
4) N or S (North or South)
5) longitude offset, minutes
6) E or W (East or West)
7) altitude offset, meters
8) Reference datum code ((W84,W72,S85,P90)
9) CRC
Used Fields: 1,8
1: Local datum code
8: Reference datum code