SELF-EVALUATION:
16. Taking into consideration all antenna losses, which of the formulas
below would you use to compute the length of a half-wave antenna?
a.
300
b.
150
c.
142
d.
71
F(MHz)
F(MHz)
F(MHz)
F(MHz)
17. The distance between A and B (Fig 44) is called a--
a.
meter.
b.
wave pulse.
c.
d.
Figure 44. Illustration for Exercise 17.
18. The most useful types of wire to use in antenna repair are aluminum
and--
a.
steel.
b.
copper.
c.
zinc.
d.
magnesium.
19. As radio operator, you are having difficulty receiving a voice
transmission because of a weak signal and external noises.
To
eliminate this problem you would--
a.
b.
fabricate a long-wire, expedient antenna.
c.
cease operation.
d.
use a headset instead of the radio loudspeaker.
61