Basic Qualification · B-002 Operating and procedures · B-002-007-004
What does the code "QSY" mean in amateur radio?
- A Change frequency
- B Use more power
- C Send faster
- D Send more slowly
Correct answer: A — Change frequency. From the official ISED question bank, verified word for word.
Why
In amateur radio, the Q code "QSY" is a standard shorthand used to tell another operator to change frequency, often because the current channel is crowded or interference is present. The full explanation — and one for every question — is in Pro.
Practise this section
How to operate: calling, phonetics, Q-signals, repeaters, nets, emergency traffic, and the courtesies that keep a band usable.