Basic Qualification · B-002 Operating and procedures · B-002-002-001
To make your call sign better understood when using voice transmissions, what should you do?
- AUse any words which start with the same letters as your call sign for each letter of your call
- BTalk louder and faster
- CTurn up your microphone gain
- DUse International Telecommunication Union phonetic alphabet code words to spell letters in your call sign
Correct answer: D — Use International Telecommunication Union phonetic alphabet code words to spell letters in your call sign. From the official ISED question bank, verified word for word.
Why
Using the International Telecommunication Union phonetic alphabet code words to spell letters in your call sign ensures each character is heard clearly, even with static or poor signal conditions, because these specific words like "Alpha" or "Bravo" are distinct and universally recognized. 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