2-35.
2-36.
2-37.
2-38.
2-39.
2-40.
The adjustable stub on the
AS-390/SRC uhf antenna is used
to adjust what antenna
characteristic?
1.
The counterpoise angle
2.
The input impedance
3.
The radiation angle
4.
The feed point
The OE-82B/WSC-I(V) antenna
group uses what type of
polarization?
1.
Vertical
2.
Horizontal
3.
Right–hand circular
4.
Left-hand circular
The AN/WSC-5 (V) shore station
antenna consists of what
number of OE-82A/WSC-1 (V)
assemblies?
1.
1
2.
2
3.
3
4.
4
What does the acronym LPI
stand for?
1.
Low power interference
2.
Low probability of
intercept
3.
Low phase intercept
4.
Last pass intercept
The reflectors for the AN/WSC-
6 (V) are mounted on three-
axis pedestals and provide
auto tracking using what
scanning technique?
1.
Conical
2.
Peripheral
3.
Vertical
4.
Horizontal
Antenna tuning is accomplished
using what piece or pieces of
equipment?
1.
Couplers
2.
Tuners
3.
Multicouplers
4.
All the above
2-41.
2-42.
2-43.
2-44.
2-45.
2-46.
Antenna multicouplers are used
to match more than one
transmitter or receiver to
what number of antennas?
1.
1
2.
2
3.
3
4.
4
The AN/URA-38 antenna coupler
is an automatic tuning system
primarily used with which
radio transmitter?
1.
AN/WSC-3
2.
AN/URT–23
3.
AN/URC-80
4.
AN/FRT-84
The AN/SRA-57 coupler group
operates in which of the
following frequency ranges?
1.
2– 6 Mhz
2.
4-12 Mhz
3.
10-30 Mhz
4.
40–60 Mhz
How many channels are provided
with the AN/SRA-12
multicoupler?
1.
4
2.
5
3.
6
4.
7
What type of radar would use a
truncated paraboloid reflector
that has been rotated 90
degrees?
1.
A surface search
2.
An air search
3.
A navigation
4.
A height-finder
Of the following methods,
which is NOT used to feed a
cylindrical
paraboloid
reflector?
1.
A linear array of dipoles
2.
A slit in the side of a
waveguide
3.
A thin waveguide radiator
4.
A quarter–wave stub
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