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True or False
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1
A satellite is a physical object that rotates about some celestial body.
A)True
B)False
2
Communication satellites typically orbit the earth at a distance of about 223 mi at a speed of about 680 m/h.
A)True
B)False
3
A satellite is affected by the gravitational pull of the moon and sun.
A)True
B)False
4
If the direction of satellite rotation is in the same direction as the earth’s rotation, the orbit is said to be posigrade.
A)True
B)False
5
The perigee period is the time it takes for a satellite to complete one orbit.
A)True
B)False
6
One revolution is the period of time that elapses between the successive passes of the satellite over a given meridian of earth longitude.
A)True
B)False
7
The angle of elevation of a satellite is the angle that appears between the line from the earth station’s antenna to the satellite and the line between the earth station’s antenna and the earth’s horizon.
A)True
B)False
8
Nongeosynchronous satellites orbit the earth in exact synchronism with the earth’s rotation and appear to be stationary.
A)True
B)False
9
Longitude is the angle between the line drawn from a given point on the surface of the earth to the point at the center of the earth called the geocenter and the line between the geocenter and the equator.
A)True
B)False
10
Communication satellites are originators of information to be transmitted.
A)True
B)False
11
Most medium- and high-power earth stations use magnetrons for the power amplifiers.
A)True
B)False
12
A very small-aperture terminal is a miniature low-cost satellite ground station.
A)True
B)False
13
The primary use of communication satellites is long-distance telephone service.
A)True
B)False
14
LORAN is a satellite-based navigation system that can be used by anyone with an appropriate receiver to pinpoint her or his location on earth.
A)True
B)False
15
Atomic clocks are electronic oscillators that use the oscillating energy of a gas to provide a stable operating frequency.
A)True
B)False





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