Furuno AIS Transponder FA-50 - DSC, DSE, and DTM Sentence Formats

APPENDIX 4 DIGITAL INTERFACE
AP-8
DSC
DSE-Expanded digital selective calling
DTM-Datum referencew
-DSC,xx,xxxxxxxxx,xx,xx,xx,x.x,xxxxxxxxxx,xx,a,a*hh<CR><LF>
| | | | | | | | | | |
| | | | | | | | | | +------- 11
| | | | | | | | | +------- 10
| | | | | | | | +------- 9
| | | | | | | +------- 8
| | | | | | +--------- 7
| | | | | +----------- 6
| | | | +-------------- 5
| | | +----------------- 4
| | +-------------------- 3
| +----------------------- 2
+------------------------------ 1
1. Format Specifier
2. Address
3. Categry
4. Nature of Distress or
First Telecommand
5. Type of Communication
or Second Telecommand
6. Position
7. Time
8. MMSI of ship in distress
9. Nature of distress
10. Acknowledgement
11. Expansion indicator
$--DSE,x,x,a,xxxxxxxxxx,xx,c--c,.......,xx,c--c*hh<CR><LF>
| | | | | | | | | |
| | | | | | | | | +------- 8
| | | | | | | +--+----------- 7
| | | | | | +--------------------- 6
| | | | +--+--------------------------- 5
| | | +------------------------------------- 4
| | +-------------------------------------------- 3
| +---------------------------------------------- 2
+------------------------------------------------ 1
1. Total number of messages
2. Message number
3. Query/reply flag
4. Vessel MMSI
5. Data set '1'
6. Additional data sets
7. Data set 'n'
8. Checksum
$--DTM,ccc,a,x.x,a,x.x,a,x.x,ccc*hh<CR><LF>
| | | | | | | | |
| | | | | | | | +--- 7
| | | | | | | +------ 6
| | | | | | +---------- 5
| | | | +---+------------- 4
| | +---+------------------- 3
| +------------------------- 2
+---------------------------- 1
1. Local datum W84 - WGS84
W72 - WGS72
S85 - SGS85
P90 - PE90
999 - User defined
IHO datum code
2. Not used
3. Lat offset, min, N/S
4. Lon offset, min, E/W
5. Not used
6. Reference dattum W84 - WGS84
W72 - WGS72
S85 - SGS85
P90 - PE90
7. Checksum