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What is the FCC Part 97 definition of telemetry?
Which 70 cm frequency is authorized to a Technician Class license holder operating in ITU Region 2?
For which licenses classes are new licenses currently available from the FCC?
On which of the following occasions may an FCC-licensed amateur station exchange messages with a U.S. military station?
When is an amateur station permitted to transmit without a control operator?
When must the station licensee make the station and its records available for FCC inspection?
What is the meaning of the procedural signal CQ?
Under what circumstances should you consider communicating via simplex rather than a repeater?
What is the preamble in a formal traffic message?
Which of the following results from the fact that skip signals refracted from the ionosphere are elliptically polarized?
What property of radio waves is often used to identify the different frequency bands?
Why do VHF and UHF radio signals usually travel somewhat farther than the visual line of sight distance between two stations?
Where must a filter be installed to reduce harmonic emissions from your station?
What does the term RIT mean?
Electrical current is measured in which of the following units?
If a frequency readout calibrated in megahertz shows a reading of 3.525 MHz, what would it show if it were calibrated in kilohertz?
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 voltage across a 10-ohm resistor if a current of 1 ampere flows through it?
What electrical component is used to protect other circuit components from current overloads?
How is the cathode lead of a semiconductor diode usually identified?
Which of the following is accurately represented in electrical circuit schematic diagrams?
Which of the following devices or circuits changes an alternating current into a varying direct current signal?
What device increases the low-power output from a handheld transceiver?
What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?
What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?
Which of the following precautions should be taken when measuring high voltages with a voltmeter?
What is the approximate maximum bandwidth required to transmit a CW signal?
What is a commonly used method of sending signals to and from a digital satellite?
Which of the following is good procedure when contacting another station in a radio contest?
What does the term APRS mean?
Why are VHF or UHF mobile antennas often mounted in the center of the vehicle roof?
What is the impedance of the most commonly used coaxial cable in typical amateur radio installations?
What can happen if a lead-acid storage battery is charged or discharged too quickly?
Why should you avoid attaching an antenna to a utility pole?
Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?