Basic Qualification · B-001 Regulations and policies · B-001-016-010
En fonction de la fréquence indiquée et du mode d'émission, laquelle des combinaisons suivantes est interdite?
- ALa télévision à balayage lent ("SSTV") sur 14,23 MHz
- BLa modulation de fréquence (FM) sur 29,6 MHz
- CLa modulation en bande latérale unique (BLU) sur 3,76 MHz
- DLa télévision à balayage rapide ("ATV") sur 14,23 MHz
Correct answer: D — La télévision à balayage rapide ("ATV") sur 14,23 MHz. Question tirée de la banque officielle d'ISDE.
Why
Fast-scan television (ATV) requires a very wide signal that would crowd out other users, and the 14.23 MHz frequency falls within the 20-metre band where such wide emissions are strictly forbidden by Canadian rules. 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