Basic Qualification · B-002 Operating and procedures · B-002-006-010
What does "RST 459" mean in a Morse code contact?
- AYour signal is very readable, very strong, and with perfect tone
- BYour signal is barely readable, very weak, and with perfect tone
- CYour signal is moderately readable, very weak, and with hum on the tone
- DYour signal is quite readable, fair strength, and with perfect tone
Correct answer: D — Your signal is quite readable, fair strength, and with perfect tone. From the official ISED question bank, verified word for word.
Why
In Morse code, the RST report uses three numbers: readability, strength, and tone. 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