What telemetry information is typically transmitted by satellite beacons?

1. A The signal strength of received signals
2. B Time of day accurate to plus or minus 1/10 second
3. C Health and status of the satellite
4. D All these choices are correct

What is the impact of using excessive effective radiated power on a satellite uplink?

1. A Possibility of commanding the satellite to an improper mode
2. B Blocking access by other users
3. C Overloading the satellite batteries
4. D Possibility of rebooting the satellite control computer

Which of the following are provided by satellite tracking programs?

1. A Maps showing the real-time position of the satellite track over Earth
2. B The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
3. C The apparent frequency of the satellite transmission, including effects of Doppler shift
4. D All these choices are correct

What mode of transmission is commonly used by amateur radio satellites?

1. A SSB
2. B FM
3. C CW/data
4. D All these choices are correct

What is a satellite beacon?

1. A The primary transmit antenna on the satellite
2. B An indicator light that shows where to point your antenna
3. C A reflective surface on the satellite
4. D A transmission from a satellite that contains status information

Which of the following are inputs to a satellite tracking program?

1. A The satellite transmitted power
2. B The Keplerian elements
3. C The last observed time of zero Doppler shift
4. D All these choices are correct

What is Doppler shift in reference to satellite communications?

1. A A change in the satellite orbit
2. B A mode where the satellite receives signals on one band and transmits on another
3. C An observed change in signal frequency caused by relative motion between the satellite and Earth station
4. D A special digital communications mode for some satellites

What does it mean if a satellite is operating in U/V mode?

1. A The satellite uplink is in the 15-meter band and the downlink is in the 10-meter band
2. B The satellite uplink is in the 70-centimeter band and the downlink is in the 2-meter band
3. C The satellite operates using ultraviolet frequencies
4. D The satellite frequencies are usually variable

What causes spin fading of satellite signals?

1. A Circular polarized noise interference radiated from the sun
2. B Rotation of the satellite and its antennas
3. C Doppler shift of the received signal
4. D Interfering signals within the satellite uplink band

What does the term LEO mean in reference to communication satellites?

1. A Low Energy Orbit, which conserves battery power
2. B Low Elevation Orbit, which appears close to the horizon from the earth station
3. C Low Equilibrium Orbit, which has a slightly unstable period
4. D Low Earth Orbit, which has a period of around 100 minutes

Who is permitted to receive telemetry from an amateur radio satellite?

1. A Anyone
2. B Only the satellite control operator
3. C Only the control operator or a licensed radio amateur who has received the encryption key from the control operator
4. D Only a licensed radio amateur who has received the encryption key from AMSAT

Which of the following is a way to determine whether your satellite uplink power into a linear transponder satellite is neither too low nor too high?

1. A Check your signal strength report in the telemetry data
2. B Listen for distortion on your downlink signal
3. C Your signal strength on the downlink should be about the same as the beacon
4. D Compare your signal to others on the downlink using an internet SDR receiver