Vol3 CDC 3D153 Ure4

38 Questions | Total Attempts: 116

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CDC Quizzes & Trivia

This is to be used as a study aid for RF transmission systems CDC 3D153.


Questions and Answers
  • 1. 
    (419) Which Defense Meteorological Satellite Program elements receive only real-time satellite imagery when the satellite is in view?
    • A. 

      Strategic

    • B. 

      Tactical.

    • C. 

      Air Force Weather Agency.

    • D. 

      Automated Remote Tracking Stations.

  • 2. 
    (419) 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.

  • 3. 
    (419) The MARK IVB antennas can be located up to how many feet away from the processing area?
    • A. 

      1,000

    • B. 

      1,500

    • C. 

      2,500

    • D. 

      3,000

  • 4. 
    (419) The primary interface between the operator/maintainer and the MARK IVB system is the?
    • A. 

      Storage disk array.

    • B. 

      Maintainer workstation.

    • C. 

      Network interface switch.

    • D. 

      Meteorological data server.

  • 5. 
    (420) Which agency is responsible for Defense Support Program operational control?
    • A. 

      HQ AFSPC

    • B. 

      HQ AFPC (10 AF).

    • C. 

      SPACEAF (14 AF).

    • D. 

      USSTRATCOM/CC.

  • 6. 
    (420) Which components are major sets of satellite readout station equipment?
    • 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.

  • 7. 
    (420) In the satellite readout station, the transmit/receive set?
    • A. 

      Transmits weather imagery to the satellite and receives telemetry data from the satellite on a 2.2 to 2.3 gigahertz bandwidth

    • B. 

      Receives and processes downlink satellite signals, and generates and transmits uplink satellite commanding and ranging signals.

    • C. 

      Monitors precise range measurements from the satellite vehicle and recovers almanac data from transmitted signals to measure signal quality.

    • D. 

      Receives and processes the transmit signal for the satellite, and generates and receives downlink satellite commanding and ranging signals.

  • 8. 
    (421) What is the number of global positioning system orbital planes?
    • A. 

      Four

    • B. 

      Five

    • C. 

      Six

    • D. 

      Seven

  • 9. 
    (421) The purpose of the global positioning system ground antenna is to?
    • A. 

      Interface between the master control station and user sets.

    • B. 

      Interface between the master control station and the satellites.

    • C. 

      Provide all commanding and resources to process the satellite telemetry.

    • D. 

      Provide all tracking and resources to process the monitor station downlinked telemetry.

  • 10. 
    (421) Which global positioning system operation control segment component is remotely operated and transmits and receives telemetry to and from the satellites?
    • A. 

      Monitor station

    • B. 

      Ground antenna.

    • C. 

      Master control station.

    • D. 

      Transmit ground station.

  • 11. 
    (421) What is the minimum number of global positioning system satellites that must be tracked for accurate three-dimensional navigation?
    • A. 

      Two

    • B. 

      Three

    • C. 

      Four

    • D. 

      Five

  • 12. 
    (421) Which is not a characteristic of the Defense Advanced Global Positioning System (GPS) Receiver?
    • A. 

      Can only be used as a handheld unit.

    • B. 

      Can process the GPS satellite triple frequency signals.

    • C. 

      Can use an external power source and external antenna.

    • D. 

      Can be installed in a host platform (ground facility, air, sea or land vehicle).

  • 13. 
    (422) What Milstar capability is very different from previous military satellite communications (MILSATCOM) and commercial satellite communications systems?
    • A. 

      Crossbanding

    • B. 

      Crosslinking

    • C. 

      Multi-service

    • D. 

      Secure Networking

  • 14. 
    (422) Which element of the Milstar mission allocates communication resources?
    • A. 

      Development

    • B. 

      Support

    • C. 

      Control

    • D. 

      Planning

  • 15. 
    (422) The secure mobile anti-jam reliable tactical terminal (SMART-T) provides user data rates through?
    • A. 

      T–1 (128 Kbps).

    • B. 

      T–1 (256 Kbps).

    • C. 

      T–1 (1.544 Mbps).

    • D. 

      D. T–1 (2.048 Mbps).

  • 16. 
    (422) How many active satellites does the completed Milstar phase II (Milstar II) constellation consist of?
    • A. 

      Three

    • B. 

      Four

    • C. 

      Six

    • D. 

      Eight

  • 17. 
    (422) The Milstar satellite sends downlink communications transmissions at?
    • A. 

      Ultrahigh frequency (UHF) only.

    • B. 

      Extremely high frequency (EHF) only.

    • C. 

      UHF and super-high frequency (SHF).

    • D. 

      UHF and EHF.

  • 18. 
    (422) Which Milstar antenna provides high gain, selective coverage of any ground station visible on the earth’s surface within its own footprint?
    • A. 

      Agile beam.

    • B. 

      Spot beam.

    • C. 

      Gimbaled dish.

    • D. 

      Earth coverage.

  • 19. 
    (422) What is the maximum number of demand assigned multiple access (DAMA) networks can a single Milstar satellite support?
    • A. 

      One

    • B. 

      Two

    • C. 

      Three

    • D. 

      Four

  • 20. 
    (422) Encoding/decoding of a digital signal?
    • A. 

      Quadruples the data rate

    • B. 

      Increases the signal-to-noise-ratio.

    • C. 

      Decreases the signal-to-noise-ratio.

    • D. 

      Enhances the link bit error rate.

  • 21. 
    (422) The Milstar Air Force terminal segment has terminals that are classified as either?
    • A. 

      Ship or shore.

    • B. 

      Master or slave.

    • C. 

      Airborne or ground

    • D. 

      Command post or force element.

  • 22. 
    (422) The Milstar extremely high frequency (EHF)/ultrahigh frequency (UHF) fixed ground command post terminal has a?
    • A. 

      90-inch antenna and a radome.

    • B. 

      96-inch antenna and a radome.

    • C. 

      90-inch antenna and no radome.

    • D. 

      96-inch antenna and no radome.

  • 23. 
    (422) What type of extremely high frequency (EHF) antenna is used on the Milstar EHF/UHF airborne command post terminals?
    • A. 

      16-inch Cassegrain

    • B. 

      26-inch Cassegrain

    • C. 

      16-inch front feed

    • D. 

      26-inch front feed

  • 24. 
    (423) What agency plans and executes satellite tracking and ephemeris data generation?
    • A. 

      Commander of the United States Strategic Command

    • B. 

      Defense Information Systems Agency (DISA).

    • C. 

      Chairman of the Joint Chiefs of Staff (CJCS).

    • D. 

      Defense Information Systems Agency Operations Control Complex (DOCC).

  • 25. 
    (423) What agency provides personnel at the regional satellite communications (Regional SATCOM) support center with resource allocation parameters?
    • A. 

      Commander of the United States Strategic Command.

    • B. 

      Defense Information Systems Agency (DISA).

    • C. 

      Chairman of the Joint Chiefs of Staff (CJCS).

    • D. 

      Defense Information Systems Agency Operations Control Complex (DOCC).

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