ARRL Vocabulary Development 4

Question 1

What does 'CTCSS' stand for and what is it used for?

Accepted Answer

Continuous Tone-Coded Squelch System, used to open repeater access

Answer

Carrier Transmission Control Signal System, used to tune antennas

Answer

Code Tone Channel Selection Standard, used in digital modes

Answer

Current Transceiver Calibration and Signal Setup

Question 2

In amateur radio, what is a 'transceiver'?

Accepted Answer

A combined transmitter and receiver in one unit

Answer

A device that only receives signals

Answer

A device that only transmits signals

Answer

An external antenna tuner

Question 3

What does 'CQ' mean when called on air?

Accepted Answer

A general call seeking any station to respond

Answer

Contact quality — a report on signal clarity

Answer

A distress call for emergencies only

Answer

A request to change frequency

Question 4

What is 'SWR' and why is it important?

Accepted Answer

Standing Wave Ratio — measures how well the antenna system is matched

Answer

Signal Wave Reduction — measures antenna noise rejection

Answer

Short Wave Range — the usable distance of HF signals

Answer

Sweep Width Ratio — a spectrum analyzer measurement

Question 5

What does 'APRS' stand for?

Accepted Answer

Automatic Packet Reporting System

Answer

Amateur Packet Reporting System

Answer

Advanced Phase Radio System

Answer

Amplitude Positioning and Relay Service

Question 6

In the phonetic alphabet used by amateur radio operators, what word represents the letter 'W'?

Accepted Answer

Whiskey

Answer

Washington

Answer

Warrior

Answer

Willow

Question 7

What is a 'dummy load' used for in amateur radio?

Accepted Answer

Testing transmitter output without radiating a signal

Answer

Reducing antenna height for local contacts

Answer

Attenuating incoming signals during contests

Answer

Grounding excess static charges on towers