18 lines
784 B
Markdown
18 lines
784 B
Markdown
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---
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tags: [radio, ham-study]
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---
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Signal reports are used for reporting on the quality of a given frequency.
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There are three values comprising **RST** (Readability, Signal, and Tone). Tone
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is only used for [CW](./Frequency_modulation.md). Each value is given its own
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score:
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| Signal value | Scores | Meaning |
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| ------------ | ------ | ----------------------------------------------------------- |
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| Readability | 1,3,5 | Unreadable, readable with some difficulty, totally readable |
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| Signal | 1,5,9 | Faint, fairly strong, very strong |
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| Tone | 1,5,9 | Rough, some ripple. pure |
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A very good signal report is therefore known as a "five and nine".
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