# RST code

> English word · Noun

## Definitions
1. A code used to express the quality of a radio signal being received.

## Etymology
Standing for Readability, Strength and (for nonvoice communication) Tone.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/rst-code