ELEMENT 4 - REVIEWER

What reading on an SWR meter indicates perfect impedance match between the antenna and the feedline?

• 2 to 1

• 1 to 3

• 1 to 1

• 10 to 1

What is the source of a high-pitched whine that varies with engine speed in a mobile transceiver's receive audio?

• The ignition system

• The alternator

• The electric fuel pump

• Anti-lock braking system controllers

Where should a mobile transceiver's power negative connection be made

• At the battery or engine block ground strap

• At the antenna mount

• To any metal part of the vehicle

• Through the transceiver's mounting bracket

Which of the following frequencies is in the 12-meter band?

• 3.940 MHz

• 12.940 MHz

• 17.940 MHz

• 24.940 MHz

Which frequency is within the 6-meter band?

• 49.00 MHz

• 52.525 MHz

• 28.50 MHz

• 222.15 MHz

What should you do if you receive a report that your station's transmissions are causing splatter or interference on nearby frequencies?

• Increase transmit power

• Change mode of transmission

• Report the interference to the equipment manufacturer

• Check your transmitter for off-frequency operation or spurious emissions

What type of instrument can be used to accurately measure an RF field?

• A receiver with an S meter

• A calibrated field-strength meter with a calibrated antenna

• A betascope with a dummy antenna calibrated at 50Ω

• An oscilloscope with a high-stability crystal marker generator

Which of the following can be determined with a field strength meter?

• The radiation resistance of an antenna

• The radiation pattern of an antenna

• The presence and amount of phase distortion of a transmitter

• The presence and amount of amplitude distortion of a transmitter

Which of the following describes the common meaning of the term "repeater offset"?

• The distance between the repeater's transmit and receive antennas

• The time delay before the repeater timer resets

• The difference between the repeater's transmit and receive frequencies

• The maximum frequency deviation permitted on the repeater's input signal

What is an advantage of a digital voltmeter as compared to an analog voltmeter?

• Better for measuring computer circuits

• Better for RF measurements

• Better precision for most uses

• Faster response