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For digital modes the traditional method of RST does not really work. |
- R: Readability
- Unreadable
- Barely readable, occasional words distinguishable
- Readable with considerable difficulty
- Readable with practically no difficulty
- Perfectly readable
- S: Signal Strength
- Faint signals, barely perceptible
- Very weak signals
- Weak signals
- Fair signals
- Fairly good signals
- Good signals
- Moderately strong signals
- Strong signals
- Extremely strong signals
- T: Tone
(for digital there is no Tone)
- Sixty cycle AC or less, very rough and broad
- Very rough AC, very harsh and broad
- Rough AC tone, rectified but not filtered
- Rough note, some trace of filtering
- Filtered rectified ac, but strongly ripple modulated
- Filtered tone, definite trace of ripple modulation
- Near pure tone, trace of ripple modulation
- Near perfect tone, slight trac of modulation
- Perfect tone, no trace of ripple, or modulation of any kind
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With the Digital modes espically BPSK and QPSK the RSQ system is better |
- R: Readabiltiy
- 0% undecipherable
- 20% occasional words distinguishable
- 40% considerable difficulty, many missed characters
- 80% practically no difficulty, occasional missed characters
- 95%+ perfectly readable
- S: Strength
- Barely perciptible trace
- not used
- Weak trace
- not used
- Moderate trace
- not used
- Strong trace
- not used
- Very strong trace
- Q: Quality
- Splatter over much of the visible waterfall
- not used
- Multiple visible pairs
- not used
- One easily visible pair
- not used
- One barely visible pair
- not used
- Clean signal - no visible unwanted sidebar pair
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For more info on RSQ and why RST does not work on Digital please visit http://www.rsq-info.net/ |
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