1-5 | 6-10 | 11-15 | 16-20 | 21-25 |
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Space segment
Control segment Terminal segment
What are the three distinct elements that work together to make satellite communication (SATCOM) possible?
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Passive.
Which satellite reflects signals transmitted toward it?
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Defense Information Systems Agency (DISA).
Telecommunications service orders are issued by the
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meridian.
To determine the number of hours coordinated universal time (UTC) differs from your local time, you must determine the number of time zones between your location and the location of the zero
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Frequency of light.
What specifically does wavelength division multiplexing assign each incoming optical signal?
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Spacecraft control
Payload control Network control
What are the functions of the (satellite communication) SATCOM control segment?
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Satellite access authorization. SAA
Which satellite look angle methods is provided by (satellite communication SATCOM planners?
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the apparent motion of the sun in the sky.
Astronomical time is based on
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24-hour.
Coordinated universal time (UTC) is based on what kind of clock system?
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Time.
Which multiplexing division technique samples each low speed channel in sequence to interleave bits or characters and then transmit them at high speed?
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Apogee
Which term describes the longest distance across an elliptical orbit?
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Demand assigned multiple access (DAMA).
Which satellite access technique is being used when all channels are pooled and used by any station according to its instantaneous traffic load?
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Coordinated universal time.
What time scale gives us a universally agreed to standard time scale with the stability and accuracy of atomic time and synchronous operation with the earth’s motion about the sun we can depend on?
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second.
A number of organizations can maintain accurate time-of-day clocks by referencing a standard time interval of one
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Forward error correction.
What relies on the transmitter to send multiple copies of the same message to the distant end using a predetermined algorithm?
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90°
What is the inclination angle of a polar orbit?
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Joint Staff.
Conflicts regarding Defense Satellite Communications System (DSCS) ground mobile forces (GMF) satellite resources that cannot be settled by the Defense Information Systems Agency (DISA) and the regional satellite communications support center (RSSC) are resolved by the
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Temperature and aging.
What two factors cause a quartz oscillator’s resonant frequency to drift?
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International Bureau of Weights and Measures (BIPM).
The agency responsible for coordinated universal time (UTC) is the
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Up converter.
Which SATCOM system module is used to produce the final transmit frequency?
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Active and passive.
What are the two types of communications satellites?
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ensure the user agency is prepared to pay for the service.
One of the functions of the telecommunication certification office is to
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atoms release energy at a particular resonant frequency.
The operation of the atomic clock is based on the phenomenon that
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Combining multiple information channels onto a common transmission medium.
What is multiplexing?
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Solid state.
Which type of power amplifier uses semiconductor transistors designed for microwave and higher frequency RF operation?
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