Module 2, 3, 4 - Spacecraft & Orbits

1.

1 point

Satellites are not bound by fuel limitations.

True

False

2.

1 point

During placement of a satellite into geosynchronous orbit, a perigee kick motor is fired to place satellite into proper orbital position.

True

False

3.

1 point

Which of the following statements best describes the function of a communications satellite?

Reflects the signals beamed toward it further into space

Receives and demodulates all the signals coming from earth and remodulates onto power carriers beamed back to earth

Receives numerous signals from earth, translates them in frequency, amplifies them, and beams the frequency translated signals back to earth

None of the above

4.

1 point

A satellite beacon is best described as which of the following? (Choose all that apply)

Fixed frequency

Fuel indication

Unmodulated carrier

Used for telemetry

Low power

5.

1 point

What are the functions of a satellite operator company?

Maintain the spacecraft on its orbital location

Manage the spectrum and power assignments for all of the satellite users

Identify and correct interference incidents, if possible, that occur on the satellite's transponders

Manage the billing for use of the satellite's resources

All of the above

6.

1 point

What are two types of Adjacent Satellite Interference?

Vertical

Uplink

Downlink

Planar

7.

1 point

Satellite's are spaced within a .1° orbital slot per federal governance.

True

False

8.

1 point

The rules governing CONUS satellite communications are contained in which of the following?

Code of Federal Regulations 36 part 39

Code of Federal Regulations 47 part 22

Code of Federal Regulations 36 part 25

Code of Federal Regulations 47 part 25

9.

1 point

The payload of a satellite bus includes which of the following:

Solar panels

Propulsion system to correct orbit

Structure to hold everything together

Batteries

None of the above

10.

1 point

When using an inclined orbit satellite you usually will not need a tracking antenna.

True

False

11.

1 point

The radius of an orbit and its period are directly related according to the laws of physics.

True

False

12.

1 point

A satellite is in an inclined orbit when North-South station keeping is no longer strictly enforced to keep it within the "box."

True

False

13.

1 point

What is the most common offender of Adjacent Satellite Interference?

Timing Offset

Proper Terminations

Improper Grounding

Operator Error

14.

1 point

In order to maintain a stabilized geosynchronous orbit, a satellite is kept within what degree of a "box?"

2°

3°

1°

.1°

15.

1 point

If you mispoint a transmitting antenna, the signal level at the satellite will reduce, and you may cause adjacent satellite interference. If the Satellite Access Center NOC asks you to increase the transmit power to compensate, the adjacent satellite interference would worsen.

True

False