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

DCS uses a continuous sub-audible digital data stream to control squelch and selectively activate repeaters, functioning similarly to CTCSS but in digital form.

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

A time-out timer cuts off the repeater's retransmission after a set duration to prevent any single transmission from monopolizing the repeater.

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 linked repeater network connects two or more repeaters via RF links or the internet so that a signal into one repeater is heard on all of them.

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

Requiring a CTCSS tone prevents interference, noise bursts, or signals from other repeaters from accidentally triggering the repeater.

Question 5

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

Accepted Answer

A repeater

Answer

'Machine' is common amateur radio slang for a repeater, often used in phrases like 'nice machine' or 'what machine are you on?'

Ham Radio Technician Test Practice Test

Ham Radio Technician Test Practice Test

Ham Radio Technician Test Repeaters & Linking Systems 2