1
The earth area covered by a satellite radio beam.
Answer: Footprint
Questions
3
What height must a satellite be placed above the surface of the earth in order for its rotation to be equal to earth’s rotation?
Answer: 22,426.4 miles
4
Is a loss of power of a satellite downlink signal due to earth’s atmosphere.
Answer: Path loss
5
_________ detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lower its frequency.
Answer: Satellite receiver
6
What is a device that detects both vertically and horizontally polarized signals simultaneously?
Answer: Orthomode transducer
8
A satellite signal transmitted from a satellite transponder to earth’s station.
Answer: Downlink
10
A satellite beam that covers almost 42.4% of the earths surface.
Answer: Global beam
11
The smallest beam of a satellite antenna radiation pattern
Answer: Spot beam
12
Is the geographical representation of a satellite antenna radiation pattern
Answer: Footprint
13
___________ is a satellite that rotates around the earth in a low-altitude elliptical or circular pattern.
Answer: Nonsynchronous satellite
15
Repeaters inside communications satellites are known as
Answer: Transponders
16
A helical antenna is used for satellite tracking because of
Answer: circular polarization
17
The first satellite to receive and transmit simultaneously
Answer: Intelsat I
