Scala | V7 | Appendix
•
TTT: 3 letter code corresponding to the type of data.
•
u: acronym of the unit.
•
VV.VVV: decimal value.
Data type TTT Unit u Description
Depth DPT meters m Depth of sensor (distance from surface)
Catch CAT %
Currently 0 (sensor OFF) or 100 (sensor ON),
unit field is empty
Pitch PIT degrees d From -90 to 90
Roll ROL degrees d From -180 to 180
Temperature TMP
Celsius
degrees
c
Spread starboard XST
Spread clump XCL
Spread port XPT
meters m
Distance between the master spread sensor and
the slave. If the field is empty, it means “slave
lost”.
Battery BAT % From 0 to 100. Unit field is empty.
Speed along SPL m/s ms
Speed across SPX m/s ms
Distance to
bottom
DTB meters m Distance from the sensor to the sea floor
Opening OPN meters m
Distance from the headrope to the footrope or
from the top to the bottom of the trawl body
Clearance CLR meters m
Distance from the footrope or the bottom of the
trawl body to the sea floor
Slant Distance SLD meters m Distance from the sensor to the hydrophone
Relative Bearing RBR degrees d
Angle from the ownship to the sensor relative
to ownship heading
True Bearing TBR degrees d
Angle from the ownship to the sensor relative
to True North
Spread data comes from the master sensor.
Type of gear X, YY, ZZZ, TTT
Single (the master is on the
port door)
P,PD,23,XST Distance between doors
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