Basic Qualification · B-001 Regulations and policies · B-001-025-001
Your neighbour's stereo system malfunctions when you are transmitting. What provision in Electromagnetic Compatibility Advisory Bulletin EMCAB-2 deems the stereo system's lack of immunity is the cause?
- A You are transmitting at or below your maximum permitted power
- B The malfunction stops when you stop transmitting
- C The field strength of your emissions, on your neighbour's premises, is above Innovation, Science and Economic Development Canada's specified immunity criteria
- D The field strength of your emissions, on your neighbour's premises, is below Innovation, Science and Economic Development Canada's specified immunity criteria
Correct answer: D — The field strength of your emissions, on your neighbour's premises, is below Innovation, Science and Economic Development Canada's specified immunity criteria. From the official ISED question bank, verified word for word.
Why
The stereo's lack of immunity is the cause because the radio signal reaching your neighbour's home is weak, falling below the strength level that Canadian rules require electronic devices to withstand. 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.