Ham Radio Technician Test Amateur 4

Question 1

What is the significance of the Q-code 'QRZ'?

Accepted Answer

Who is calling me?

Answer

Please stand by

Answer

Signal is fading

Answer

Interference is present

Question 2

Under what condition may an amateur radio operator use obscene language on the air?

Accepted Answer

Never — obscene language is prohibited at all times

Answer

Only during late-night hours

Answer

Only on licensed club repeaters

Answer

Only if both stations agree

Question 3

What does 'SWR' stand for and what does a reading of 1:1 indicate?

Accepted Answer

Standing Wave Ratio; a perfect impedance match with no reflected power

Answer

Signal Wave Ratio; the antenna is broken

Answer

Sideband Wave Ratio; the signal is single sideband

Answer

Spread Wave Ratio; the antenna is broadband

Question 4

What is meant by an amateur radio 'net'?

Accepted Answer

A group of stations that meet on a set frequency at a scheduled time

Answer

An internet gateway linking repeaters worldwide

Answer

A mesh of linked amateur satellites

Answer

A digital packet radio network

Question 5

Which of the following is a valid reason for an amateur operator to use a 'tactical call sign' during emergency operations?

Accepted Answer

To identify a station's function or location clearly during a rapidly changing situation

Answer

To avoid FCC identification requirements entirely

Answer

To operate anonymously for security purposes

Answer

To use a shorter call sign than the FCC assigned

Question 6

What is 'propagation' in the context of amateur radio?

Accepted Answer

The way radio waves travel from a transmitter to a receiver

Answer

The process of amplifying a radio signal

Answer

The method of encoding voice into digital data

Answer

The procedure for registering a repeater frequency

Question 7

What is the correct way to indicate you are listening on a repeater and willing to talk?

Accepted Answer

Transmit your call sign followed by 'monitoring' or 'listening'

Answer

Key up the repeater three times

Answer

Transmit 'CQ CQ CQ' on the input frequency

Answer

Send a DTMF code to unlock the repeater