Basic Qualification · B-001 Regulations and policies · B-001-011-010
When are you permitted to interfere with another station's transmissions?
- A When you both wish to contact the same station
- B When the other station is interfering with your transmission
- C When your station is directly involved with a distress situation
- D When the other station is not operating in accordance with the Radiocommunication Regulations
Correct answer: C — When your station is directly involved with a distress situation. From the official ISED question bank, verified word for word.
Why
You may interrupt another station only when your own radio is handling a life-or-death emergency, because saving a life takes absolute priority over all other rules. 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.