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14 Cards in this Set
- Front
- Back
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The angle between an imaginary line tangent
to the Earth’s surface and to the magnetic line of force where it enters the Earth’s surface is known by what term? |
Dip angle
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The gamma, the measure of magnetic intensity,
is symbolized by what Greek letter? |
The Greek letter y
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Magnetic noise sources fall into what two
major categories? |
Dc circuit noise and maneuver noise
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The compensation of MAD equipment for
magnetic noise is usually performed at what location? |
In flight at sea.
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When electrons are excited to an energy level
that is higher in energy and longer lasting in duration, this energy state is known as what type of energy state? |
Metastable energy state.
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The Larmor frequency of electrons varies
with magnetic field intensity at the rate of how many Hz per y? |
28.
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What component of a helium magnetometer
detects the energy level changes of the helium atoms and produces an electrical output? |
The infrared detector
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How many helium absorption cell/IR detector
pairs are contained in the detector element? |
Six (6) absorption cell/IR detector pairs.
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The signals between the magnetic detector
and the amplifier-power supply are transmitted through what type of cable? |
A single coaxial cable.
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The fault indicator on the detecting set
control labeled 3 indicates a failure in what component? |
The magnetic detector.
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Magnetic field terms that are designated by
two capital letters, such as TT, are what type of terms? |
Induced terms
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The ECA of the AN/ASA-65 sends compensation
currents to what component? |
The ECA provides compensation currents to theMADboom compensation coils.
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The CGA performs what function?
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The CGA calculates compensation data
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What are the functions of the ASA-64/ASA-71
SAD system? |
The ASA-64/ASA-71 SAD system separates submarine anomalies from magnetic
noise and provides visual and audio indications that a submarine contact has been made |
