FCC Commercial Element 8 Question Pool (approved 25 June 2009) Subelement A – RADAR Principles – 10 Key Topics – 10 Exam Questions – 8 Drawings
16.2 Hz or more.
16.2 MHz or less.
1.62 kHz or more.
16.2 kHz or less.
The longer the antenna the wider the horizontal beamwidth
The longer the antenna the narrower the horizontal beamwidth.
The horizontal beamwidth is not affected by the antenna length.
None of the above.
A leak in waveguide or rotary joint.
High atmospheric absorption.
Dirt or soot on the rotary joint.
High humidity in the transmitter causing power supply loading.
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