Manufacturer Messages Transmitted by DDCS

The PNAVRIS message is an extension of the IEC 61162 protocol developed by the manufacturer for transmitting navigation data (position, course, speed) from a VHF radio station supporting DDCS to ECDIS.

PNAVRIS message format:

$PNAVRIS,xxxxxxxxx,llll.ll,a,yyyyy.yy,a,hhmm,ddmmyy,x.x,x.x,xx,*hh<CR><LF>
    1       2         3    4    5     6   7    8     9   0  11     12            

Message Fields

No.	Field	Description
1	Message identifier	$PNAVRIS
2	RMPS	River mobile service identifier
3	Latitude	Latitude coordinate
4	N/S	Latitude direction (north/south)
5	Longitude	Longitude coordinate
6	E/W	Longitude direction (east/west)
7	Time	Time in hhmm format
8	Date	Date in ddmmyy format
9	Course Over Ground (COG)	Course over ground
10	Speed Over Ground (SOG)	Speed over ground
11	Radio station channel number	VHF radio station channel number
12	Checksum
	<CR><LF>	Checksum and end-of-line characters