Ham Radio Technician Test Amateur 4

Question 1

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

Accepted Answer

Who is calling me?

Answer

QRZ means 'Who is calling me?' and is commonly used after a CQ call or to ask who just transmitted.

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

FCC rules explicitly prohibit the transmission of obscene, indecent, or profane language on amateur frequencies at any time.

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

SWR (Standing Wave Ratio) of 1:1 means the antenna system is perfectly matched to the transmitter with no reflected power.

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 amateur net is an organized group of stations that convene on a specific frequency at a scheduled time, often led by a net control station.

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

Tactical call signs (e.g., 'Command Post' or 'Red Cross Shelter') identify a station's role during emergencies but do not replace FCC ID requirements.

Ham Radio Technician Test Practice Test

Ham Radio Technician Test Practice Test

Ham Radio Technician Test Amateur 4