Ham Radio General Class Test HF Operating Procedures 5

Question 1

What is the purpose of 'listening before transmitting' on an HF frequency?

Accepted Answer

To determine whether the frequency is already in use before causing interference

Answer

Listening first ensures you do not interfere with an ongoing QSO that may be in progress on the frequency.

Question 2

What does the abbreviation 'OM' stand for in amateur radio conversation?

Accepted Answer

Old Man, a traditional friendly address for any male amateur operator

Answer

'OM' (Old Man) is traditional amateur radio shorthand for a friendly greeting to any male operator, regardless of age.

Question 3

What is the correct sequence for establishing an SSB contact after hearing a CQ?

Accepted Answer

Say the calling station's callsign, then your callsign

Answer

To answer a CQ, say the calling station's callsign once, then identify yourself with your own callsign.

Question 4

What does 'working a net' mean in HF amateur radio?

Accepted Answer

Participating in an organized on-air meeting on a scheduled frequency and time

Answer

Working a net means participating in a scheduled, organized group communication session on a designated HF frequency.

Question 5

What is the typical frequency separation between upper sideband (USB) and lower sideband (LSB) in HF operation?

Accepted Answer

USB is used above 10 MHz and LSB is used below 10 MHz by convention

Answer

By amateur radio convention, LSB is used on bands below 10 MHz and USB is used on 10 MHz and above.

Ham Radio General Class Test Practice Test