Z3D153 - 2016 Edit Code 3, Volume 3 Part 2

25 Questions | By Notmayo | Updated: Mar 17, 2022 | Attempts: 121

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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.