A transmission line.
Specific equipment faults.
Internal equipment tests.
Flexible coaxial cable.
Rigid coaxial cable.
The frequency where XL becomes to low that the signal is shunted.
The frequency where XC causes the signal to be shunted.
The lowest frequency that the line can pass successfully.
The frequency at which standing waves are maximum.
Having reflected waves.
Having no reflected waves.
With maximum voltage across its open termination.
With maximum voltages across its shorted termination.
Current is at maximum and voltage at minimum at the termination.
Current is at minimum and voltage at maximum at the termination.
There would be a nominal amount of signal gain.
The line would be nonresonant.
An unproven hypothesis.
The definition of propagation.
What makes radio transmission possible.
What led to the discovery of direct current.
Transmit horizontal and receive vertical polarizations.
Transmit vertical and receive horizontal polarizations.
Transmit right hand and receive left hand circular polarizations.
Transmit left hand and receive right hand circular polarizations.
Standing wave ratio.
Percent of modulation.
Standing wave ratio.
Inside nonconductive radomes mounted outside or flush with the fuselage.
Inside conductive radomes mounted outside or flush with the fuselage.
Outside nonconductive radomes mounted outside the fuselage.
Inside conductive radomes mounted flush with the fuselage.
90 and 180 degrees.
60 and 90 degrees.
30 and 60 degrees.
5 and 30 degrees.
Antennas always require a 360 degree radiating pattern.
The type of aircraft propulsion and power system.
Antennas are always mounted on top of the fuselage.
Optimizing the antenna's radiating pattern for its application.
Type of propagation.
Selecting the antenna.
Determine the distance.
Finding the operating frequency.
Sierra Nevada mountains.
Near-vertical incidence skywave.
Long distances with few interruptions.
From point to point along the earth's surface.
Through the air in a straight line.
No more than 20 miles to the receive antenna.
Line of sight.
Returned to earth.
Passed into space.
The most desirable.
Refracted by the F2 layer.
Maximum usable frequency (MUF).
Lowest usable frequency (LUF).
Outbound traffic frequency.
Optimum tropospheric frequency.
Frequency of optimum transmission.
Frequency of outbound transmission.
Direct and indirect.
Ordinary and abnormal.
In-phase and out-of-phase.
Ordinary and extraordinary.
Time of day.
In the sun's atmosphere.
On the sun's surface.
In the ionosphere.
Beneath the sun's surface.
3 hertz (Hz) to 300 gigahertz (GHz).
300 Hz to 300 GHz.
3000 Hz to 3000 GHz.
30 megahertz (MHz) to 300 MHz.
Federal Aviation Agency.
American National Standard Institute.
Federal Communications Commission.
Institute of Electrical & Electronics Engineers, Inc.
Lower high frequency (HF) frequencies.
Higher HF frequencies.
Medium HF frequencies.
Low takeoff antenna angles.
Very high frequency.
High frequency (HF) and ultrahigh frequency (UHF).
Super-high frequency (SHF) and extremely high frequency (EHF).
Very high frequency (VHF) and SHF.
VHF and UHF.
Long range deployable communications.
Short range fixed communications.
Optical horizon radar.
Line-of-sight (LOS) communications.
The frequency is too low.
The frequency is too high.
Ionospheric refraction can occur.
The rate of absorption is too great.
Decrease, then increase.
Remain the same.
25 microvolts per meter.
50 microvolts per meter.
100 microvolts per meter.
200 microvolts per meter.
Electronic support (ES).
Electronic warfare (EW).
Electromagnetic pulse (EP).
Electromagnetic interference (EI).
Frequency agility in a radio.
Electronic and material shielding for systems.
Process to counter meaconing, interference, jamming, and intrusion.
Electronic attack (EA).
Electronic control (EC).
Electronic support (ES).
Electronic protection (EP).
Controlling the information an enemy receives.
The elimination of some or all of an adversary's electronic defenses.
The deliberate radiation of EM energy intended to convery misleading information to an enemy.
Degrading or interfering with the enemy's use of the EM spectrum to limit the enemy's combat capabilities.
The exciter/power amplifier module.
Stop frequency shifts during receive operations.
Shut down reception only during frequency shifts.
Shut down transmission only during frequency shifts.
Shut down reception and transmission during frequency shifts.
Each WOD is used until it is manually changed.
For a total of 3 days.
For 48 hours.
For 24 hours.
It operates from 116 MHZ to 149.975 megahertz (MHZ).
It provides antijam communications in amplitude modulation (AM) and frequency modulation (FM).
It contains both HAVE QUICK and HAVE QUICK II.
It can communicate on any one of 7,000 available channels.
Image frequency rejection in receive and harmonic attenuation in transmit.
Image frequency rejection in transmit and harmonic attenuation in receive.
RF decoupling in transmit and harmonic suppression in receive.
RF decoupling in receive and harmonic suppression in transmit.
25 Watts in both amplitude modulation (AM) and frequency modulation (FM).
20 Watts in AM, 50 Watts in FM.
20 Watts in AM, 20 Watts in FM.
50 Watts in narrowband, 25 Watts in wideband.
Single Channel Ground and Airborne Radio System (SINCGARS).
Enhanced Position Location Reporting System (EPLRS).
Joint Tactical Information Distribution System (JTIDS).
Situation Awareness Data Link (SADL).
Provide dual line of detection.
Operate independently of one another.
Backup power for one another.
Located within the same area for redundancy.
Alarms and tampers.
Alarms and equipment failtures.
Tampers and nuisance alarms.
Failed self test and power loss.
Passive infrared sensor.
Balanced magnetic switch.
Ported coaxial cable sensor.
Cardreader personal identification number (PIN) pad.
Hand geometry unit (HGU).
Enrollment operator workstation.
System administrator terminal.
Enrollment master station.
System management computer.
Every talkgroup programmed in the radio.
Low power out.
Status and multi-format decoding (MFD).
Status and dual tone multi-frequency (DTMF).
Status and radio.
Status and siren.
User programmed into your system.
Shared with other members.
The address of an unprogrammed station.
The same address of other stations in the net.
Reviewing a network station listing and determining which is assigned a clear channel.
Reviewing a network station listing and assigning a channel to each.
The process of sounding and determining channel clarity.
The process of calling and determining channel clarity.
Signal process and control module.
Information security (INFOSEC) printed wiring board.
Antenna coupler assembly.