🎯

G4E - Amateur Radio Practices

General Class

HF mobile and portable operation: power systems, antennas, grounding, safety

11 questions

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
G4E01

What is the purpose of a capacitance hat on a mobile antenna?
G4E02

What is the purpose of a corona ball on an HF mobile antenna?
G4E03

Which of the following direct, fused power connections would be the best for a 100-watt HF mobile installation?
G4E04

Why should DC power for a 100-watt HF transceiver not be supplied by a vehicle’s auxiliary power socket?
G4E05

Which of the following most limits an HF mobile installation?
G4E06

What is one disadvantage of using a shortened mobile antenna as opposed to a full-size antenna?
G4E07

Which of the following may cause receive interference to an HF transceiver installed in a vehicle?
G4E08

In what configuration are the individual cells in a solar panel connected together?
G4E09

What is the approximate open-circuit voltage from a fully illuminated silicon photovoltaic cell?
G4E10

Why should a series diode be connected between a solar panel and a storage battery that is being charged by the panel?
G4E11

What precaution should be taken when connecting a solar panel to a lithium iron phosphate battery?