LESSON 2/LEARNING EVENT 3
PRACTICE EXERCISE
Instructions:
Select the BEST response, and circle the answer.
1.
For short distance communication (0-250 miles), antennas should--
a.
have a high take-off angle.
b.
have a low take-off angle.
c.
take-off angles have no effect on communications.
d.
be a half wave high.
2.
Which of the following terrain features favors site selections?
a.
Power lines.
b.
Metal buildings.
c.
Other antennas.
d.
Level, clear area.
3.
Which take-off angle favors long distance?
a.
5 degrees.
b.
45 degrees.
c.
75 degrees.
d.
90 degrees.
4.
Near the equator as compared to a polar location you would--
a.
use a higher frequency.
b.
use a lower frequency.
c.
use the same frequency.
d.
use the surface wave.
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