ATLAS North America Proprietary
Sea Scan® ARC Explorer™ Manual
1 of 1
Page: 58
Issue: 4.2.1
2SFT1-0001
Manual
new line. A CSV file is a way to collect the data from any
table so that it can be conveyed as input to another table-
oriented application such as a relational database or
spreadsheet application.
decibel
The unit of sound intensity used to describe the strength of
transmitted and received underwater sound
EULA
End User License Agreement
ETE
Estimated Time EnRoute
fathometer
An acoustic device that measures the current water depth
FAQ
Frequently Asked Questions
frequency
The number of sound waves that pass any specific point in
one second
gain
Amplification of a signal
GB
GigaByte (1,000,000,000 Bytes)
GHz
GigaHertz (1,000,000,000 Hertz)
GIS
Geographic Information Services
GPS
Global Positioning System
Grazing angle
The percentage of deviation from straight on at which the
sonar beam strikes the vertical or concave surface
Hertz
A unit of measure representing one cycle per second
histogram
A graph that displays the number of each color in a range
home state
The indicator to the operator that the newest sonar line is
immediately visible on the screen
hydrophone
An instrument that transforms an underwater sound wave
into an electrical signal
intensity
The strength of the returning acoustic signal
interference
Erroneous signals caused by acoustic or electronic sources
L/L
Latitude/Longitude
latitude
An imaginary horizontal line joining points on the Earth’s
surface that are all of equal distance north or south of the
equator
lane
The straight track the surface vessel follows while towing
the towfish
lateral layback
The offset distance to the left (port) or (starboard) between
the navigation antenna and the towfish
