Nmea Output From Iti - Simrad ITI TRAWL SYSTEM - SERIAL DATA COMMUNICATION REV A Instruction Manual

Simrad ITI

NMEA output from ITI

$IIVTG,,,xxx,M,yy.y,N,,*hh<cr><lf>Vessel course and speed
VTG represents the Vessel Track over the Ground.
xxx,M is the track bearing, in degrees magnetic.
yy.y,N is the speed in knots relative to ground.
$IIZDA,hhmmss.ss,dd,MM,yyyy,xx,xx*hh<cr><lf> Time & Date of ITI
mm is the minutes
ss.ss is the seconds and parts of seconds
MM is the month
yyyy is the year
xx,xx is the local time zone (hh,mm) positive offset east of Greenwich.
@IITPT,xxxx,M,y,P,zzzz.z,M<cr><lf> Trawl Position True vessel
TPT represents the True Trawl Position relative to the vessel.
xxxx,M is the horizontal range in metres to the target (0 - 4000 m).
yyy,P Is the true bearing to the target (i.e. relative to north).
zzzz.z,M is the depth in metres of trawl below the surface (0 - 2000 m).
12
requires input from a nav. Receiver.
→
equals UTC
→
hh is the hours
dd is the day's date
- requires an active depth sensor on the trawl or manual set
depth, if not the slant range will be presented.
(Resolution 1°.)
- requires gyro input for reliable data.
- requires an active depth sensor on the trawl or manual set
depth, if not the depth field will be empty.
5 seconds if GPS connected.
±
857-164777 / A