2-47.
Antennas are referred to in
lengths. There is full
quarter, and what other
length?
1.
Half
2.
Eighth
3.
Third
4.
Sixteenth
2-48.
Wire rope (fan) antennas are
used for what range of
frequency coverage?
1.
30 kHz to 299 kHz
2.
300 kHz to 30 MHz
3.
2 - 20 GHz
4.
3 - 30 kHz
2-49.
The conical monopole antenna
is used in what type of
communications?
1. LF
2. MF
3. HF
4. VHF
2-50.
The AN/SRA-12 allows for
what total number of RF
channels in the 14-kHz to
32-MHz range?
1.
Five
2.
Two
3.
Seven
4.
Four
2-51.
What is/are the objectives
1.
2.
3.
4.
of tuning an antenna?
Tune out impedances and
match length to
frequency radiated
Physically or
mechanically move the
antenna
Exhibit and multiplex
its impedance
Clean up the wave
generation and use wave
propagation
2-52.
Which Navy standards, if
any, have control over the
safety of personnel going
aloft?
1.
NAVSAFCEN instructions
2.
NAVOSH requirements
3.
MILSTDs
4.
None
13
