5.
In what direction does the band of frequencies in the VHF and UHF travel?
a.
Straight.
b.
Parabolic.
c.
Hyperbala.
d.
Curve.
6.
What are the frequencies used in microwave systems?
a.
1000 MHz and above.
b.
200 MHz and above.
c.
300 MHz and above.
d.
50 MHz and above.
7.
Which agency handles part of the transmission security?
a.
MOMSEC.
b.
COMSEC.
c.
EOMSEC.
d.
BEMSEC.
8.
What kind of polarity will there be when the lines of electric force are at the right angles to the
surface of the earth?
a.
Horizontally polarized.
b.
Vertically polarized.
c.
Cross polarized.
d.
All of the above.
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