All answers as of 3/25/2019 have been checked by a bunch of radio nerds, and are correct.
They must be the same model number
They must be the same version of transceiver.
They must be use the same encryption variables.
They must have the same word of day (WOD) and time of day (TOD).
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Decryption
Encryption
Cryptography
Cryptanalysis
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Single-site
Multi-site
Simulcast
Multicast
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Selective radio inhibit
Faster system access
Unbalanced channel loads
Better channel efficiency
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Low frequency (LF)
Medium frequency (MF).
High frequency (HF).
Very high frequency (VHF).
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Transmitter.
Transceiver.
Receiver
Coupler.
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Season
Time of day (TOD)
Regular variation
Irregular variations
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Fall
Winter
Spring
Summer
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Toward the true north bearing.
Away from the receiving station.
Away from the magnetic north bearing.
In a straight path to the receiving station.
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Broadleaf trees
Evergreen trees
Swamp grass
Sagebrush
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Offutt, Nebraska.
Grand Forks, North Dakota
Andrews AFB, Maryland
Croughton, England.
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Asymmetric
Symmetric
Encoder
Secret
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OTAR
Asymmetric
Symmetric
Off-line
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Mobile
Portable
Repeater
Base station
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AFI 10–2501, Air Force Emergency Management Program.
AFI 10–2801, Force Development Concepts.
AFI 33–115, Air Force Information Technology Service Management.
AFI 33–217, Voice Call Sign Program.
Federal Aviation Agency.
American National Standard Institute.
Federal Communications Commission (FCC).
Institute of Electrical & Electronics Engineers, Inc.
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Frequency modulation (FM) and independent sidebands (ISB).
Continuous wave (CW) and amplitude modulation (AM).
Single side band (SSB) and FM.
SSB and ISB.
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Fidelity.
Capacity.
Sensitivity
Selectivity.
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Fidelity
Capacity
Sensitivity.
Selectivity
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Flexible coaxial cable.
Rigid coaxial cable.
Waveguide
Twin lead
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Earth waves
Global waves
Ground waves
Terrestrial waves
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Refraction
Reflection
Earth’s conductivity
Atmospheric charge.
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Ionization
Modulation
Conductivity
Recombination
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Bandwidth
Resonance
Reciprocity
Effectiveness
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Whip
Dipole
Discone
Near-vertical incidence sky-wave
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Until manually changed
3 days
48 hours
24 hours
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All
Any
Group
Individual
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Skip angle
Critical angle
Angle of entrance
Angle of incidence
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D
E
F
Topside
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11-day cycle
11-week cycle
11-month cycle
11-year cycle.
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Radiation
Induction
Gravitational
Electromotive
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8–10 MHz.
9–11 MHz
9.5–10.5 MHz
9.8–10.2 MHz.
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Horizontal
Vertical
Circular
Linear
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Sawed-off branches and foliage should not be used.
Site should be visualized from above
Equipment should be widely separated.
Straight lines are obvious.
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Slow
Medium
Fast
Conference
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Link 4
Link 11
Link 11b
Link 16
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Thinner conductor
thicker conductor
Very low-resistance dielectric
Very high-resistance dielectric.
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Their outer surface will arc from being very slightly damaged.
Their conductive material construction is easily dented.
Their effectiveness is hindered by moisture.
They can be destroyed by corrosion.
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Wavelength is inversely related to frequency.
Wavelength is directly related to frequency.
Wavelength is determined by the line length.
Wavelength is expressed in lambdas (λ).
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Atmospheric pressure, and temperature.
atmospheric pressure, and frequency.
Receive signal level, and temperature
Receive signal level, and frequency.
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Optical; 15
Radio; 15.
Optical; 33.
Radio; 33
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HF
UHF
SHF
EHF
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Channeling
Guiding
Ducting
Piping
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Returned to Earth
Passed into space
The most desirable
Refracted by the F2 player
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Propagation distance
Skip distance
Dead zone
Skip zone
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Skip effects
Modulation
Multipathing
Magneton splitting
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2
3
4
5
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In the sun’s atmosphere
On the sun’s surface.
In the ionosphere.
Beneath the sun’s surface.
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Quiz Review Timeline (Updated): Mar 21, 2023 +
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