2-64.
What distance is the maximum range
to receive usable loran signals
over water?
1.
2,000 miles
2.
2,800 miles
3.
3,000 miles
4.
3,800 miles
2-65.
What antenna is used to receive
loran signals for the AN/ARN-83
system?
1. UHF1 top blade
2. HF2 long-wire
3. ADF sense
4. VHF stub
2-66.
The omega ground stations transmit
on which of the following
frequencies?
1.
10.0, 11.3, and 13.6 kHz
2.
10.2, 11.3, and 13.6 kHz
3.
10.2, 11.6, and 13.6 kHz
4.
10.6, 11.3, and 13.2 kHz
2-67.
Omega ground station(s) is/are
deselected at what range(s)?
1.
Less than 600 nmi only
2.
More than 7,200 nmi only
3.
Less than 600 nmi and more than
7,200 nmi
4.
Between 600 nmi and 7,200 nmi
2-68.
After synchronization of the
AN/ARN-99(V) omega system, what
component controls the antenna
selection?
1. Central computer
2. Antenna coupler
3. Control panel
4. Receiver-converter
2-69.
What section of the OR-90/ARN-99(V)
enables test signals to be injected
into the omega system?
1. Correlator
2. Receiver
3. Digital converter
4. Discrete storage
2-70.
What section in the OR-90/ARN-99(V)
acts as an interface between the
communication and the receiver
sections?
1.
Correlator
2.
Digital converter
3.
Discrete storage
4.
Power supply
2-71.
The AN/APN-153(V) navigational set
provides which of the following
types of navigational information?
1. Airspeed and altitude
2. Ground speed and drift angle
3. Airspeed and drift angle
4. Ground speed and altitude
2-72.
What information is derived from
the antenna azimuth position of the
AN/APN-153(V) navigational set?
1. Altitude
2. Airspeed
3. Drift angle
4. Ground speed
2-73.
What component of the AN/APN-153(V)
uses a magnetron power oscillator?
1.
Receiver-transmitter
2.
Control indicator
3.
Central computer
4.
Antenna
2-74.
What component of the AN/APN-153(V)
contains the pitch and roll rotary
couplers?
1.
Receiver-transmitter
2.
Control indicator
3.
Central computer
4.
Antenna
2-75.
On the C-4418A/APN-153(V) after the
TEST position is selected on the
mode switch, what is the delay time
prior to proper test indications?
1.
1 minute
2.
2 minutes
3.
15 seconds
4.
45 seconds
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