Basic Qualification · B-001 Regulations and policies · B-001-013-006
What is the longest period of time an amateur radio station can transmit, without identifying by call sign?
- A 15 minutes
- B 10 minutes
- C 30 minutes
- D 20 minutes
Correct answer: C — 30 minutes. From the official ISED question bank, verified word for word.
Why
An amateur station must identify with its call sign at least every thirty minutes during a transmission and again at the end of the contact. 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.