Basic Qualification · B-002 Operating and procedures · B-002-004-009
When selecting a single-sideband voice transmitting frequency, what minimum frequency separation from a contact in progress should you allow to minimize interference?
- A150 Hz to 500 Hz
- BApproximately 6 kHz
- CApproximately 10 kHz
- DApproximately 3 kHz
Correct answer: D — Approximately 3 kHz. From the official ISED question bank, verified word for word.
Why
Single-sideband voice signals need about 3 kHz of space to fit clearly without overlapping a nearby conversation. The full explanation — and one for every question — is in Pro.
Practise this section
Operating and procedures is section B-002 of the Basic exam: How to operate: calling, phonetics, Q-signals, repeaters, nets, emergency traffic, and the courtesies that keep a band usable.
Drill B-002 — free, no account