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G4B - Amateur Radio Practices

General Class

Test equipment: oscilloscopes, signal generators, frequency counters, antenna analyzers

13 questions | Updated: Dec 9, 2025

All G0A G0B G1A G1B G1C G1D G1E G2A G2B G2C G2D G2E G3A G3B G3C G4A G4B G4C G4D G4E G5A G5B G5C G6A G6B G7A G7B G7C G8A G8B G8C G9A G9B G9C G9D
G4B01

What item of test equipment contains horizontal and vertical channel amplifiers?
G4B02

Which of the following is an advantage of an oscilloscope versus a digital voltmeter?
G4B03

Which of the following is the best instrument to use for checking the keying waveform of a CW transmitter?
G4B04

What signal source is connected to the vertical input of an oscilloscope when checking the RF envelope pattern of a transmitted signal?
G4B05

Why do voltmeters have high input impedance?
G4B06

What is an advantage of a digital multimeter as compared to an analog multimeter?
G4B07

What signals are used to conduct a two-tone test?
G4B08

What transmitter performance parameter does a two-tone test analyze?
G4B09

When is an analog multimeter preferred to a digital multimeter?
G4B10

Which of the following can be determined with a directional wattmeter?
G4B11

Which of the following must be connected to an antenna analyzer when it is being used for SWR measurements?
G4B12

What effect can strong signals from nearby transmitters have on an antenna analyzer?
G4B13

Which of the following can be measured with an antenna analyzer?