Basic Qualification · B-001 Regulations and policies · B-001-010-001
What is a transmission that disturbs other communications called?
- A Unidentified transmissions
- B Harmful interference
- C Interrupted CW
- D Transponder signals
Correct answer: B — Harmful interference. From the official ISED question bank, verified word for word.
Why
When a radio signal disrupts or jams another person's conversation or data link, the rules call this harmful interference. The full explanation — and one for every question — is in Pro.
Practise this section
The rules: who may operate, what the certificate allows, station identification, third-party traffic, what you may and may not transmit, and how ISED regulates the amateur service.