Logging in (or registering) will help the system to select questions that you need to focus on.
What kind of hazard might exist in a power supply when it is turned off and disconnected?
Under what circumstances is it safe to climb a tower without a helper or observer?
Which of the following is an acceptable method to determine that your station complies with FCC RF exposure regulations?
When is willful interference to other amateur radio stations permitted?
On which HF bands does a Technician class operator have phone privileges?
Which of the following is a valid call sign for a Technician class amateur radio station?
What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?
Which of the following is true of remote control operation?
When using tactical identifiers such as “Race Headquarters” during a community service net operation, how often must your station transmit the station’s FCC-assigned call sign?
Which of the following is a common repeater frequency offset in the 2 meter band?
How can you join a digital repeater’s “talk group”?
What does the term “traffic” refer to in net operation?
What weather condition would decrease range at microwave frequencies?
What is the approximate velocity of a radio wave as it travels through free space?
What band is best suited for communicating via meteor scatter?
Why should wiring between the power source and radio be heavy-gauge wire and kept as short as possible?
What is the function of automatic gain control, or AGC?
What is the unit of electromotive force?
How many milliamperes is 1.5 amperes?
What is a unit of impedance?
What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?
What type of electrical component stores energy in a magnetic field?
What does the abbreviation FET stand for?
What is the name of an electrical wiring diagram that uses standard component symbols?
Which of the following displays an electrical quantity as a numeric value?
Where is an RF preamplifier installed?
What might be a problem if you receive a report that your audio signal through the repeater is distorted or unintelligible?
What does a dummy load consist of?
What is the correct way to connect a voltmeter to a circuit?
Which of the following types of emission has the narrowest bandwidth?
Which of the following is a good way to judge whether your uplink power is neither too low nor too high?
What is meant by Voice Over Internet Protocol (VoIP) as used in amateur radio?
Which of the following is a digital communications mode?
What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?
Which of the following is true of PL-259 type coax connectors?