Basic Qualification · B-001 Regulations and policies · B-001-016-004
La largeur de bande maximale pouvant être utilisée par une station de radio amateur dans la bande de 144 MHz à 148 MHz est de:
- A6 kHz
- B20 kHz
- C15 kHz
- D30 kHz
Correct answer: D — 30 kHz. Question tirée de la banque officielle d'ISDE.
Why
In the 144 to 148 MHz band, Canadian rules set the absolute widest signal you may send at 30 kilohertz, which is the space a transmission occupies on the radio spectrum. The full explanation — and one for every question — is in Pro.
Practise this section
Regulations and policies is section B-001 of the Basic exam: 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.
Drill B-001 — free, no account