Ham Radio Technician Test General 3

Question 1

What is the approximate length of a quarter-wave vertical antenna for 146 MHz?

Accepted Answer

19 inches

Answer

A quarter-wave vertical for 146 MHz is approximately 19 inches (about 48 cm) long.

Question 2

What safety hazard is associated with RF burns?

Accepted Answer

Tissue damage from RF energy absorbed at high power levels

Answer

RF burns occur when high levels of RF energy are absorbed by body tissue, causing heating and damage.

Question 3

What is the correct way to respond when a station calls 'CQ'?

Accepted Answer

Transmit the calling station's call sign followed by your own call sign

Answer

Standard procedure is to say the CQ station's call sign and then identify yourself with your own call sign.

Question 4

Which band is most commonly used for local emergency communication by Technician licensees?

Accepted Answer

2 meters (144-148 MHz)

Answer

The 2-meter band with its wide repeater network is the primary local emergency communication band for Technicians.

Question 5

What is 'packet radio'?

Accepted Answer

A digital mode that sends data in bursts using AX.25 protocol

Answer

Packet radio is a digital communication mode that transmits data in discrete packets using the AX.25 protocol.

Ham Radio Technician Test Practice Test