THE R-S-T SYSTEM (Signal Reporting System)
READABILITY
- - Unreadable.
- - Barely readable, occasional words distinguisbable.
- - Readable with considerable difficulty.
- - Readable with practically no difficulty.
- - Perfectly readable.
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.
TONE
- - Sixty cycle a.c. or less, very rough and broad.
- - Very rough a.c., very harsh and broad.
- - Rough a.c. tone, rectified but not filtered.
- - Rough note, some trace of filtering.
- - Filtered rectified a.c. but strongly ripple-modulated.
- - Filtered tone, definite trace of ripple modulation.
- - Near pure tone, trace of ripple modulation.
- - Near perfect tone, slight trace of modulation.
- - Perfect tone, no trace of ripple or modulation of any kind.
Be honest in your reporting. Don't just tell tell everyone their signal is 5-9. They want to know as you do what the signal really is.