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Welcome to www.larkfield.org Friday, September 10 2010 @ 04:53 PM GMT+4
RST Signal Reporting System
| Ham Radio - RST Signal Reports |
R-S-T Characteristics | Readability R | Strength S | Tone T (cw) |
| 1 | Unreadable | Faint signals, barely perceptible | Sixty cycle a.c or less, very rough and broad |
| 2 | Barely readable, occasional words distinguishable | Very weak signals | Very rough a.c., very harsh and broad |
| 3 | Readable with considerable difficulty | Weak signals | Rough a.c. tone, rectified but not filtered |
| 4 | Readable with practically no difficulty | Fair signals | Rough note, some trace of filtering |
| 5 | Perfectly readable | Fairly good signals | Filtered rectified a.c. but strongly ripple-modulated |
| 6 | N/A | Good signals | Filtered tone, definite trace of ripple modulation |
| 7 | N/A | Moderately strong signals | Near pure tone, trace of ripple modulation |
| 8 | N/A | Strong signals | Near perfect tone, slight trace of modulation |
| 9 | N/A | Extremely strong signals | Perfect tone, no trace of ripple or modulation of any kind |
Last Updated Monday, May 15 2006 @ 01:59 PM GMT+4|2,993 Hits 
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