Basic Qualification · B-002 Operating and procedures · B-002-001-011
Sur la bande de 2 mètres, les répéteurs FM utilisent une fréquence d'émission différente de la fréquence de réception. Quel est l'écart normal (appelé "offset") entre ces fréquences?
- A1 000 kHz
- B400 kHz
- C600 kHz
- D800 kHz
Correct answer: C — 600 kHz. Question tirée de la banque officielle d'ISDE.
Why
On the 2-metre band, a repeater listens on one frequency and talks on another, with the standard gap between them set at 600 kilohertz. The full explanation — and one for every question — is in Pro.
Practise this section
Operating and procedures is section B-002 of the Basic exam: How to operate: calling, phonetics, Q-signals, repeaters, nets, emergency traffic, and the courtesies that keep a band usable.
Drill B-002 — free, no account