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What kind of hazard is presented by a conventional 12-volt storage battery?
What is a good precaution to observe before climbing an antenna tower?
Which of the following is an acceptable method to determine that your station complies with FCC RF exposure regulations?
What is the FCC Part 97 definition of a space station?
What emission modes are permitted in the mode-restricted sub-bands at 50.0 to 50.1 MHz and 144.0 to 144.1 MHz?
What may result when correspondence from the FCC is returned as undeliverable because the grantee failed to provide the correct mailing address?
Under which of the following circumstances are amateur stations authorized to transmit signals related to broadcasting, program production, or news gathering, assuming no other means is available?
What type of control is being used when transmitting using a handheld radio?
To which foreign stations do the FCC rules authorize the transmission of non-emergency third party communications?
What is the meaning of the procedural signal "CQ"?
Which of the following describes the muting of receiver audio controlled solely by the presence or absence of an RF signal?
What is the preamble in a formal traffic message?
What term is commonly used to describe the rapid fluttering sound sometimes heard from mobile stations that are moving while transmitting?
What is the name for the distance a radio wave travels during one complete cycle?
What is the radio horizon?
Which type of conductor is best to use for RF grounding?
What is a way to enable quick access to a favorite frequency on your transceiver?
What is the electrical term for the electromotive force (EMF) that causes electron flow?
What is the approximate amount of change, measured in decibels (dB), of a power decrease from 12 watts to 3 watts?
How much power is being used in a circuit when the applied voltage is 12 volts DC and the current is 2.5 amperes?
What is the current flowing through a 100-ohm resistor connected across 200 volts?
What electrical component stores energy in an electric field?
What class of electronic components is capable of using a voltage or current signal to control current flow?
What is component 2 in figure T1?
Which of the following devices or circuits changes an alternating current into a varying direct current signal?
Which of the following circuits combines a speech signal and an RF carrier?
What is the most likely cause of interference to a non-cordless telephone from a nearby transmitter?
What reading on an SWR meter indicates a perfect impedance match between the antenna and the feedline?
What instrument is used to measure resistance?
What is the approximate bandwidth of a VHF repeater FM phone signal?
What can be used to determine the time period during which an amateur satellite or space station can be accessed?
What is the maximum power allowed when transmitting telecommand signals to radio controlled models?
What type of transmission is indicated by the term NTSC?
Which of the following is true regarding vertical antennas?
Which of the following is true of PL-259 type coax connectors?