Ham Radio Technician Test Repeaters & Linking Systems 2

Question 1

What is DCS (Digital Coded Squelch) used for in repeater systems?

Accepted Answer

Controlling repeater access using a continuous digital data stream, similar to CTCSS

Answer

Encrypting voice transmissions on digital repeaters

Answer

Linking repeaters via a digital internet protocol

Answer

Automatically identifying the repeater with a digital callsign

Question 2

What does a repeater's 'time-out timer' do when it activates?

Accepted Answer

Stops the repeater from retransmitting after a set transmission length is exceeded

Answer

Triggers an automatic identification transmission

Answer

Switches the repeater to a backup power source

Answer

Increases the repeater's output power to extend range

Question 3

What is a 'linked repeater network'?

Accepted Answer

Two or more repeaters connected by radio or internet to relay signals over a wider geographic area

Answer

A group of repeaters all operated by the same club

Answer

Repeaters that all use the same CTCSS access tone

Answer

A set of repeaters operating on the same output frequency

Question 4

What is the primary purpose of requiring a CTCSS tone to access a repeater?

Accepted Answer

To prevent the repeater from being triggered by noise or unintended signals

Answer

To set the repeater's output power level automatically

Answer

To time-share channel access among multiple users

Answer

To transmit the operator's callsign digitally

Question 5

What does the informal term 'machine' refer to in amateur radio?

Accepted Answer

A repeater

Answer

A high-power linear amplifier

Answer

A computer-controlled transceiver

Answer

An automatic frequency synthesizer

Question 6

How often must an amateur station transmit its callsign when communicating through a repeater?

Accepted Answer

At least every 10 minutes during communication and at the end of communication

Answer

Every 5 minutes and at the start of communication

Answer

Only at the beginning and end of each contact

Answer

Every 15 minutes throughout the contact

Question 7

In repeater terminology, what is a 'kerchunker'?

Accepted Answer

An operator who keys up a repeater without identifying themselves or speaking

Answer

A device used to measure a repeater's signal strength

Answer

A repeater controller malfunction causing false activations

Answer

A method of linking repeaters using DTMF tones