Installation manual
Technical specifications
143
851--164300 / C
Trawl position in cartesian co-ordinates
@IITPC,x,M,y,M,z,M<cr><lf>
where (from left towards right):
Component Content
TPC Trawl position in cartesian co--ordinates
x Horizontal distance from vessel centre line
y Horizontal distance from the transducer to the
trawl along the vessel’s centre line
z Depth of the trawl below the water surface
Trawl position in latitude and longitude
$IIGLLddmm.hh,N,dddmm.hh,W,hhmmss.ss,A<cr><lf>
where (from left towards right):
Component Content
GLL The trawl’s geographical latitude and longitude
ddmm.hh,N Latitude in degrees, minutes and hundredths,
N = North, S = South
dddmm.hh,W Longitude in degrees, minutes and hundredths,
W = West, E = East
hhmmss.ss Time
A Status
Depth of trawl below surface
$IIDBS,,,x.x,M,,<cr><lf>
where (from left towards right):
Component Content
DBS Depth of trawl below water s urface
x.x Depth in meters (0 to 2000 m)
Water temperature at the trawl
$IIMTW,-xx.x,C<cr><lf>
where (from left towards right):
Component Content
MTW Meteorological Temperature in the Water
xx.x Water temperature (in degrees Celsius)
measured at the trawl
C Defines that the measurement is made in de-
grees celcius