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Which of the following is a safety hazard of a 12-volt storage battery?
Which of the following is an important safety rule to remember when using a crank-up tower?
How can you make sure your station stays in compliance with RF safety regulations?
What is the FCC Part 97 definition of a beacon?
Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?
What is the normal term for an FCC-issued amateur radio license?
Under which of the following circumstances are one-way transmissions by an amateur station prohibited?
Who may be the control operator of a station communicating through an amateur satellite or space station?
Which of the following self-assigned indicators are acceptable when using a phone transmission?
What is the national calling frequency for FM simplex operations in the 2 meter band?
What type of signaling uses pairs of audio tones?
Which of the following is a characteristic of good traffic handling?
What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?
What is the relationship between the electric and magnetic fields of an electromagnetic wave?
Why are simplex UHF signals rarely heard beyond their radio horizon?
What signals are used in a computer-radio interface for digital mode operation?
How is squelch adjusted so that a weak FM signal can be heard?
What describes the number of times per second that an alternating current makes a complete cycle?
Which is equal to 3000 milliamperes?
What is the unit of capacitance?
What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?
What electrical parameter is controlled by a potentiometer?
Which of these components can be used as an electronic switch?
What is component 4 in figure T-1?
What type of circuit controls the amount of voltage from a power supply?
What is the name of a circuit that generates a signal at a specific frequency?
What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?
Which of the following is used to determine if an antenna is resonant at the desired operating frequency?
Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?
What type of modulation is commonly used for VHF packet radio transmissions?
Who may receive telemetry from a space station?
What is an amateur radio station that connects other amateur stations to the internet?
What does the abbreviation "PSK" mean?
Which of the following types of antenna offers the greatest gain?
What is the electrical difference between RG-58 and RG-213 coaxial cable?