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ASSIGNMENT 3
Textbook assignment: Chapter 4, “Introduction to Satellite Communications,” pages 4-1 through 4-21.
Chapter 5, “Introduction to Miscellaneous Systems and Equipment,” pages 5-1 through 5-20.
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3-1. What artificial satellite is credited with
starting the era of space technology?
1. Vela
2. Midas
3. Score
4. Sputnik
3-2. There are two types of communications
satellites. What type acts as a repeater
for the signal?
1. Active
2. Passive
3. Reflecting
4. Retransmitting
3-3. Transmission of information to a satellite
is done on what frequency?
1. Up-link
2. Down-link
3. Transponder
4. Termination
3-4. An earth terminal receives signals on
what frequency?
1. Up-link
2. Transmit
3. Down-link
4. Termination
3-5. Of the following orbit parameters, which
one describes the basic orbit shape of a
communications satellite?
1. Inclined or polar
2. Polar or equatorial
3. Elliptical or circular
4. Synchronous or nonsynchronous
3-6. When the period of an orbit is identical
to that of the earth, the orbit is
1. synchronous
2. asynchronous
3. subsynchronous
4. near-synchronous
3-7. What is the parameter in the orbit of a
satellite that refers to the point nearest
the center of the earth?
1. Apogee
2. Perigee
3. Altitude
4. Inclination
3-8. As a reference, perigee and apogee are
measured in which of the following
units?
1. Nautical miles
2. Statute miles
3. Light years
4. Kilometers
3-9. A satellite which has a flight path that
does not coincide with the equatorial
plane of the earth is said to be in what
type if orbit?
1. A circular
2. An inclined
3. An elliptical
4. An equatorial
