Because microwave communications are line of sight, what must be made to ensure that no obstructions lie anywhere in the line between transmitter and receiver?
A. YagiUda configuration
B. Polar pattern
C. Path study
D. Link-budget analysis
Question 2
Antenna gain is always expressed in terms of the ___________________ ___.
A. angular separation between the half-power points on its radiation pattern
B. direction of maximum radiation
C. presence of reactive components
D. charge lines developing around the antenna
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