Vol3 CDC 3D153 Ure4
This is to be used as a study aid for RF transmission systems CDC 3D153.
- 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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