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Docs Morse & Communication Signal Reporting Conventions

Signal Reporting Conventions

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RST-style reports and how to describe what you hear from the beacon

Signal Reporting Conventions

Overview

When you test with another radio operator, a structured signal report makes results comparable. Amateur radio uses RST (readability, strength, tone); for the beacon’s CW signal the same language applies.

RST Explained

LetterMeaningScale
RReadability1-5
SSignal strength1-9
TTone quality1-9

For the Beacon’s CW

ComponentWhat to judge
RCan you copy the payload?
SMeter or ear strength (1-9)
TClean keying vs chirpy/buzzy (1-9)

A clean report for the beacon might be “599” - perfectly readable, strong, clean tone.

Strength Words

Plain-English termRough dBm
Barely thereBelow -110
Weak-100 to -90
Fair-90 to -80
Good-80 to -70
Strong-70 to -60
Very strongAbove -60

Reporting to Another Operator

Example exchange:

  • “I’m copying your CW 599 at 433.500 MHz.”
  • “Signal 559, keying clean, no chirp.”

This tells the beacon owner their radio, antenna and timing are working.