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What should be done to all external ground rods or earth connections?
What is the purpose of a safety wire through a turnbuckle used to tension guy lines?
How can you make sure your station stays in compliance with RF safety regulations?
What are the FCC rules regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?
Which frequency is within the 6 meter amateur band?
Who may select a desired call sign under the vanity call sign rules?
Under what conditions is an amateur station authorized to transmit music using a phone emission?
When is an amateur station permitted to transmit without a control operator?
What method of call sign identification is required for a station transmitting phone signals?
Which of the following is a guideline when choosing an operating frequency for calling CQ?
What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?
What is meant by the term "NCS" used in net operation?
Why might the range of VHF and UHF signals be greater in the winter?
What property of a radio wave is used to describe its polarization?
What is a characteristic of VHF signals received via auroral reflection?
What must be considered to determine the minimum current capacity needed for a transceiver power supply?
What is the purpose of the squelch control on a transceiver?
Which of the following is a good electrical conductor?
What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts?
What is the ability to store energy in a magnetic field called?
What is the voltage across each of two components in parallel with a voltage source?
What electrical component is used to connect or disconnect electrical circuits?
What does the abbreviation LED stand for?
Which of the following is accurately represented in electrical schematics?
What is the name of a device that combines several semiconductors and other components into one package?
Which term describes the ability of a receiver to detect the presence of a signal?
What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?
What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?
Which of the following precautions should be taken when measuring circuit resistance with an ohmmeter?
What is the approximate bandwidth of a VHF repeater FM phone signal?
With regard to satellite communications, what is Doppler shift?
Which of the following is good procedure when contacting another station in a radio contest?
What is an ARQ transmission system?
What is the gain of an antenna?
Which of the following is true of PL-259 type coax connectors?