Z3D153 - 2016 Edit Code 3, Volume 3 Part 2
- 1.Which module is the first step of the receive signal path?
- A.
Low noise amplifier.
- B.
Down converter.
- C.
Up converter.
- D.
Demodulator.
- 2.Which module strips away the intelligence from the Intermediate frequency?
- A.
Low noise amplifier.
- B.
Down converter.
- C.
Up converter.
- D.
Demodulator.
- 3.When establishing a communication link with a satellite the required sequence of events is
- A.
Frequency acquisition, space acquisition, antenna pointing, and satellite tracking.
- B.
Satellite acquisition, satellite tracking, power correction, and antenna pointing.
- C.
Orbit prediction, antenna pointing, satellite acquisition, and satellite tracking.
- D.
Orbit prediction, space acquisition, and frequency acquisition.
- 4.Which tracking method requires no input from a satellite?
- A.
Programmed track.
- B.
Automatic track.
- C.
Pseudoconscan.
- D.
Step track.
- 5.What signal originating from the satellite do we use to acquire and track the satellite?
- A.
Beacon.
- B.
Telemetry.
- C.
Ephemeris.
- D.
Communication.
- 6.Which type of diversity do you have when the same frequency radiates simultaneously in two different planes?
- A.
Polarization.
- B.
Crossband.
- C.
Frequency.
- D.
Space.
- 7.Which type of diversity requires two antennas, two receivers, and two transmitters?
- A.
Polarization.
- B.
Crossband.
- C.
Frequency.
- D.
Space.
- 8.What is the tropo/satellite support radio frequency range?
- A.
4.4 to 5.25 GHz.
- B.
7.25 to 8.4 GHz.
- C.
14.4 to 15.25 GHz.
- D.
17.25 to 18.4 GHz.
- 9.What are the Air Force Satellite Control Network (AFSCN) command and control nodes?
- A.
Environmental Satellite Operations Center at Schriever AFB, CO, and National Oceanographic and Atmospheric Administration (NOAA) Satellite Operations Control Center at Suitland, MD.
- B.
Environmental Satellite Operations Center at Schriever AFB, CO, and Multi Purpose Satellite Operations Center, Offutt AFB, NB.
- C.
Air Force Weather Agency, Offutt AFB, NB, and NOAA Satellite Operations Control Center at Suitland, MD.
- D.
Air Force Weather Agency, Offutt AFB, NB, and Multi Purpose Satellite Operations Center, Offutt AFB, NB.
- 10.The MARK IVB antennas can be located up to how many feet away from the processing area?
- A.
1000.
- B.
1500.
- C.
2500.
- D.
3000.
- 11.Which mission is the highest priority of the Defense Support Program (DSP)?
- A.
Theater warning.
- B.
US retaliatory strike.
- C.
North American warning.
- D.
Worldwide space launches.
- 12.Which set of equipment represents the satellite readout station equipment group?
- A.
Radio frequency set and modulation system controller.
- B.
Modulation interface equipment and transmit/receive set.
- C.
Modulation interface equipment and modulation system controller.
- D.
Radio frequency set, transmit/receiver set, and digital equipment set.
- 13.What is the number of Global Positioning System (GPS) orbital planes?
- A.
4.
- B.
5.
- C.
6.
- D.
7.
- 14.Which military strategic and tactical relay (MILSTAR) capability is very different from previous military satellite communications (MILSATCOM) and commercial satellite communications systems?
- A.
Crosslinking.
- B.
Crossbanding.
- C.
Multi-service.
- D.
Secure networking.
- 15.Which element of the military strategic and tactical relay (MILSTAR) mission allocates communication resources?
- A.
Development.
- B.
Planning.
- C.
Support.
- D.
Control.
- 16.The military strategic and tactical relay (MILSTAR) satellite sends downlink communications transmissions at
- A.
Ultrahigh frequency (UHF) and super-high frequency (SHF).
- B.
Extremely high frequency (EHF) only.
- C.
UHF and EHF.
- D.
UHF only.
- 17.Which military strategic and tactical relay (MILSTAR) antenna provides high gain, selective coverage of any ground station visible on the earth’s surface within its own footprint?
- A.
Spot beam.
- B.
Agile beam.
- C.
Gimbaled dish.
- D.
Earth coverage.
- 18.Which satellite system provides Global Broadcast Services (GBS)?
- A.
Commercial L-band.
- B.
Defense Meteorological.
- C.
Global Positioning Satellite (GPS).
- D.
Ultrahigh frequency (UHF) follow-on.
- 19.How many ultrahigh frequencies (UHF) channel are available for each UHF Follow-on satellite?
- A.
19.
- B.
29.
- C.
39.
- D.
49.
- 20.When considering the factor of service area for commercial satellite services, which description about Ku-band service is true?
- A.
Not worldwide, located primarily over land masses and highly populated areas.
- B.
Not worldwide, located primarily over ocean areas and lowly populated areas.
- C.
Worldwide between roughly 65 degrees North an 65 degrees South latitudes.
- D.
Worldwide, located primarily over land masses and highly populated areas.
- 21.What services are not included in INMARSAT mobile satellite services (MSS)?
- A.
Iridium.
- B.
Swift broadband.
- C.
Fleet broadband (maritime).
- D.
Broadband Global Area Network (BGAN).
- 22.Which commercial satellite communication system can offer true pole-to-pole global coverage?
- A.
International Telecommunications Satellite Organization (INTELSAT).
- B.
European Telecommunications Satellite Organization (EUTELSAT).
- C.
International Maritime Satellite Organization (INMARSAT).
- D.
Iridium.
- 23.Where is the Inmarsat headquarters located?
- A.
Fucino, Italy.
- B.
Beijing, China.
- C.
London, England.
- D.
Lake Cowichan, Western Canada.
- 24.Which type of communications is not normally provided through commercial wideband services?
- A.
Deployable video teleconferencing.
- B.
Very small aperture terminal networks.
- C.
Handheld satellite phone communications.
- D.
International high-speed internet connectivity.
- 25.Which satellite company is specifically designed to interface with all current X-band terminals?
- A.
XTAR.
- B.
Inmarsat.
- C.
INTELSAT.
- D.
EUTELSAT.
Questions: 100 | Attempts: 34339 | Last updated: Mar 22, 2022
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Sample QuestionWhich of the following are essential elements of communication? (Select all that apply)
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Sample QuestionWhich one of these is a form of verbal communication?
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