Basic Qualification · B-001 Regulations and policies · B-001-013-009
The call sign of an amateur radio station must be transmitted:
- A at the beginning and at the end of each contact and at intervals not greater than 30 minutes
- B at intervals not greater than three minutes when using voice communications
- C at intervals not greater than ten minutes when using digital modes
- D when requested to do so by the station being called
Correct answer: A — at the beginning and at the end of each contact and at intervals not greater than 30 minutes. From the official ISED question bank, verified word for word.
Why
Your station must identify itself when you start talking, when you finish, and at least every thirty minutes while the conversation continues. 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.