3-12.
3-13.
3-14.
3-15.
The antenna position programmer
generates which of the following
signals?
1.
2.
3.
4.
Signals for antenna azimuth
drive motors only
Signals for antenna tilt drive
motors only
Signals for timing and
synchronization of the RTs,
RIU, and IFF only
Signals for antenna azimuth and
tilt drive motors and signals
for timing and synchronization
of the RTs, RIU, and IFF
What position is selected on the
APP fault isolation switch for the
normal mode of operation?
1. ON
2. OFF
3. NORMAL
4.
OPERATE
What frequency agile component in
the radar transmitter of the
AN/APS-115B radar system is NOT in
a standard radar transmitter?
1.
Magnetron
2.
Klystron
3.
Modulator
4.
Synchronizer
The frequency agility of the
AN/APS-115B radar system has what
positive effect on the system?
1.
Doubles the PW of the
transmitter
2.
Enhances the clutter
elimination capability
3. Decreases the antenna scan
speed
4. Decreases PRF, which increases
operational range
3-16.
3-17.
3-18.
3-19.
3-20.
3-21.
What component generates the
synchronization that locks the
transmitter and receiver AFC
together?
1.
Manual varactor
2.
Motor-driven varactor
3. Receiver agile
modulator-demodulator
4. Transmitter agile
modulator-demodulator
What subsection of the radar RT
contains a desiccant cartridge?
1.
Waveguide pressurization system
2.
Transmitter
3. Receiver
4. BITE
Which of the following two beam
modes will the radar antenna
radiate?
1.
Pencil and conical
2.
Elliptical and cosecant squared
3.
Pencil and cosecant squared
4.
Elliptical and conical
What are the dimensions of the
AS-2146/APS-115 radar antenna
spoiled beam?
1.
2.5° by 2.5°
2.
2.5° by 3.8°
3.
2.5° by 20.0°
4.
3.8° by 20.0°
The antenna elevation parking
control is used to stow the aft
antenna at zero-degree relative
aircraft heading when the aft radar
is secured.
1.
True
2.
False
What mode is selected on the
forward radar control panel to
operate the forward radar in the
sweep frequency mode?
1. LONG
2.
SHORT
3. FIXED
4. AGILE
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