RST
From HFUnderground
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The RST system is a standardized way for [[Amateur_radio|amateur radio]] operators (hams) to describe the quality of a radio signal during reception. | The RST system is a standardized way for [[Amateur_radio|amateur radio]] operators (hams) to describe the quality of a radio signal during reception. | ||
| - | It is generally used for voice (phone) communications [[Emission_Designator|modes]] ([[AM]], [[FM]], and [[SSB]]), Morse code ([[CW]]), digital modes | + | It is generally used for voice (phone) communications [[Emission_Designator|modes]] ([[AM]], [[FM]], and [[SSB]]), Morse code ([[CW]]), and some digital modes. |
Revision as of 19:09, 20 December 2024
The RST system is a standardized way for amateur radio operators (hams) to describe the quality of a radio signal during reception. It is generally used for voice (phone) communications modes (AM, FM, and SSB), Morse code (CW), and some digital modes.
- R (Readability): A scale from 1 to 5 that indicates how understandable the signal is, with 5 being perfectly readable and 1 being unreadable.
- S (Strength): A scale from 1 to 9 that measures the strength of the received signal, with 9 being extremely strong and 1 being very faint.
- T (Tone): Used only for CW (Morse code) or digital modes, it ranges from 1 to 9, describing the quality of the signal tone, with 9 being pure and stable.
An RST report might look like "599," which means perfectly readable, very strong signal, and pure tone. It’s a quick and efficient way to communicate signal quality during contacts.
