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What must you do if you are operating on the 23 cm band and learn that you are interfering with a radiolocation station outside the United States?
Which of the bands above 30 MHz that are available to Technician Class operators have mode-restricted sub-bands?
Who may select a desired call sign under the vanity call sign rules?
When may an amateur station transmit without identifying?
Who may a station licensee designate to be the control operator of an amateur station?
Who is accountable should a repeater inadvertently retransmit communications that violate the FCC rules?
What must an amateur operator do when making on-air transmissions to test equipment or antennas?
What determines the amount of deviation of an FM (as opposed to PM) signal?
Which of the following is an accepted practice to get the immediate attention of a net control station when reporting an emergency?
What may occur if data signals propagate over multiple paths?
What is the name for the distance a radio wave travels during one complete cycle?
Which of the following bands may provide long distance communications during the peak of the sunspot cycle?
Where should the negative return connection of a mobile transceiver's power cable be connected?
What is the purpose of the squelch control on a transceiver?
Electrical current is measured in which of the following units?
Which of the following frequencies is equal to 28,400 kHz?
What is the formula used to calculate electrical power in a DC circuit?
What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?
What type of electrical component consists of two or more conductive surfaces separated by an insulator?
What are the three electrodes of a PNP or NPN transistor?
What is component 3 in figure T1?
What component is commonly used to change 120V AC house current to a lower AC voltage for other uses?
What is a transceiver?
Which of the following actions should you take if a neighbor tells you that your stations transmissions are interfering with their radio or TV reception?
What does a dummy load consist of?
Which of the following might damage a multimeter?
Which type of modulation is most commonly used for VHF and UHF voice repeaters?
What is a satellite beacon?
Which of the following methods is used to locate sources of noise interference or jamming?
What is PSK31?
Which of the following terms describes a type of loading when referring to an antenna?
Which of the following connectors is most suitable for frequencies above 400 MHz?
What kind of hazard might exist in a power supply when it is turned off and disconnected?
Which of the following is good practice when installing ground wires on a tower for lightning protection?
Which of the following actions might amateur operators take to prevent exposure to RF radiation in excess of FCC-supplied limits?