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Assignment 11

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

T1A07 What is the FCC Part 97 definition of telemetry?
a.
An information bulletin issued by the FCC
c.
A one-way transmission of measurements at a distance from the measuring instrument
b.
A one-way transmission to initiate, modify or terminate functions of a device at a distance
d.
An information bulletin from a VEC
 

 2. 

T1A13 What is the FCC Part 97 definition of telecommand?
a.
An instruction bulletin issued by the FCC
c.
A one-way transmission to initiate, modify or terminate functions of a device at a distance
b.
A one-way radio transmission of measurements at a distance from the measuring instrument
d.
An instruction from a VEC
 

 3. 

T8B02 How much transmitter power should be used on the uplink frequency of an amateur satellite or space station?
a.
The maximum power of your transmitter
c.
No more than half the rating of your linear amplifier
b.
The minimum amount of power needed to complete the contact
d.
Never more than 1 watt
 

 4. 

T8B03 Which of the following are provided by satellite tracking programs?
a.
Maps showing the real-time position of the satellite track over the earth
c.
The apparent frequency of the satellite transmission, including effects of Doppler shift
b.
The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
d.
All of these answers are correct
 

 5. 

T8B04 Which amateur stations may make contact with an amateur station on the International Space Station using 2 meter and 70 cm band amateur radio frequencies?
a.
Only members of amateur radio clubs at NASA facilities
c.
Only the astronaut's family members who are hams
b.
Any amateur holding a Technician or higher class license
d.
You cannot talk to the ISS on amateur radio frequencies
 

 6. 

T8B05 What is a satellite beacon?
a.
The primary transmit antenna on the satellite
c.
A reflective surface on the satellite
b.
An indicator light that that shows where to point your antenna
d.
A transmission from a space station that contains information about a satellite
 

 7. 

T8B06 Which of the following are inputs to a satellite tracking program?
a.
The weight of the satellite
c.
The last observed time of zero Doppler shift
b.
The Keplerian elements
d.
All of these answers are correct
 

 8. 

T8B07 With regard to satellite communications, what is Doppler shift?
a.
A change in the satellite orbit
c.
An observed change in signal frequency caused by relative motion between the satellite and the earth station
b.
A mode where the satellite receives signals on one band and transmits on another
d.
A special digital communications mode for some satellites
 

 9. 

T8B08 What is meant by the statement that a satellite is operating in mode U/V?
a.
The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
c.
The satellite operates using ultraviolet frequencies
b.
The satellite uplink is in the 70 cm band and the downlink is in the 2 meter band
d.
The satellite frequencies are usually variable
 

 10. 

T8B09 What causes spin fading when referring to satellite signals?
a.
Circular polarized noise interference radiated from the sun
c.
Doppler shift of the received signal
b.
Rotation of the satellite and its antennas
d.
Interfering signals within the satellite uplink band
 

 11. 

T8B10 What do the initials LEO tell you about an amateur satellite?
a.
The satellite battery is in Low Energy Operation mode
c.
The satellite is in a Low Earth Orbit
b.
The satellite is performing a Lunar Ejection Orbit maneuver
d.
The satellite uses Light Emitting Optics
 

 12. 

T8B11 What is a commonly used method of sending signals to and from a digital satellite?
a.
USB AFSK
c.
FM Packet
b.
PSK31
d.
WSJT
 



 
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