SELF-EVALUATION:
1.
Energy radiated from an antenna is referred to as--
a.
b.
wave pulses.
c.
d.
direct waves.
2.
Long-range communication is made possible by use of the--
a.
ground wave.
b.
direct wave.
c.
d.
3.
Electrical energy is carried from the transmitter to the transmitting
antenna by means of a--
a.
counterpoise.
b.
c.
modified ground plane.
d.
coupling device.
4.
One important characteristic of a vertical antenna is that it--
a.
radiates in one direction only.
b.
is horizontally polarized.
c.
is omnidirectional.
d.
has a 180-degree radiation pattern.
5.
One important characteristic
of
a
horizontally
mounted,
half-wave
antenna is that it is--
a.
omnidirectional.
b.
monodirectional.
c.
d.
bidirectional.
6.
A counterpoise is commonly referred to as--
a.
earth ground.
b.
artificial ground.
c.
chassis ground.
d.
vehicular ground.
7.
Communication between most
field
artillery
tactical
radio
sets
is
accomplished by using--
a.
sky-wave propagation.
b.
skip-zone propagation.
c.
ground-wave propagation.
d.
skip-wave propagation.
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