JRC JHS-183 - Page 26

CONFIGURATION AND SPECIFICATIONS
1-14
(2.5.26) NAK – Negative acknowledgement
$--NAK,cc,ccc,c--c,x.x,c--c*hh<CR><LF>
Negative acknowledgement’s descriptive text
Reason code for negative acknowledgement
Unique identifier
Affected sentence formatter
Talker identifier
(2.5.27) OSD – Own ship data
$--OSD, x.x,A,x.x, a,x.x,a,x.x,x.x,a*hh<CR><LF>
Speed units, K = km/h; N = knots;
S = statute miles/h
Vessel drift (speed) Manually
Vessel set, degrees true entered
Speed reference, B/M/W/R/P
Vessel speed
Course reference, B/M/W/R/P (see Note)
Vessel course, degrees true
Heading status
: A = data valid, V = data invalid
Heading, degrees true
(2.5.28) POS – Device position and ship dimensions report or configuration command
$- - POS,cc,xx,a,x.x,x.x,x.x,a,x.x,x.x,a*hh<CR><LF>
Sentence status flag
Ship’s length (m)
Ship’s width (m)
Ship’s width/length) Valid/Invalid
Position Z-coordinate (m)
Position Y-coordinate (m)
Position X-coordinate (m)
Position validity flag
Equipment number 00 to 99
Equipment identification
(2.5.29) Q – Query
$- - AI
Q,xxx*hh<CR><LF>
approved sentence formatter of data being requested
AI; talker identifier for device from which data is being requested (AIS)