Basic Qualification · B-001 Regulations and policies · B-001-016-003
À l'exception d'une bande de fréquences, quelle est la largeur de bande autorisée sur les bandes du service de radioamateur entre 7 MHz et 25 MHz?
- A15 kHz
- B20 kHz
- C30 kHz
- D6 kHz
Correct answer: D — 6 kHz. Question tirée de la banque officielle d'ISDE.
Why
On most amateur bands between 7 MHz and 25 MHz, your signal is limited to a width of 6 kHz to keep conversations from overlapping with neighbours. 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