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Copyright © 2005-2008
East Greenbush Amateur Radio Association
All Rights Reserved
The R-S-T System |
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| FSD-220 (1/04) | |
| Code | Meaning |
|---|---|
Readability |
|
| 1 | Unreadable |
| 2 | Barely readable, occasional words distinguishable. |
| 3 | Readable with considerable difficulty. |
| 4 | Readable with practically no difficulty. |
| 5 | Perfectly readable. |
Signal Strength |
|
| 1 | Faint signals, barely perceptible. |
| 2 | Very weak signals. |
| 3 | Weak signals. |
| 4 | Fair signals. |
| 5 | Fairly good signals. |
| 6 | Good signals. |
| 7 | Moderately strong signals. |
| 8 | Strong signals. |
| 9 | Extremely strong signals. |
Tone |
|
| 1 | Sixty cycle a.c or less, very rough and broad. |
| 2 | Very rough a.c., very harsh and broad. |
| 3 | Rough a.c. tone, rectified but not filtered. |
| 4 | Rough note, some trace of filtering. |
| 5 | Filtered rectified a.c. but strongly ripple-modulated. |
| 6 | Filtered tone, definite trace of ripple modulation. |
| 7 | Near pure tone, trace of ripple modulation. |
| 8 | Near perfect tone, slight trace of modulation. |
| 9 | Perfect tone, no trace of ripple or modulation of any kind. |
| If the signal has the characteristic steadiness of crystal control, add the letter X to the RST report. If there is a chirp, the letter C may be added to so indicate. Similarly for a click, add K. The above reporting system is used on both cw and voice, leaving out the “tone” report on voice. Turn card over for examples. | |
ITU Phonetic Alphabet |
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| Word list adopted by the International Telecommunications Union, NATO, ICAO, and the FAA, in addition to, now, the ARRL | |
| Letter | Spoken Word |
|---|---|
| A | Alfa |
| B | Bravo |
| C | Charlie |
| D | Delta |
| E | Echo |
| F | Foxtrot |
| G | Golf |
| H | Hotel |
| I | India |
| J | Juliett |
| K | Kilo |
| L | Lima |
| M | Mike |
| N | November |
| O | Oscar |
| P | Papa |
| Q | Quebec |
| R | Romeo |
| S | Sierra |
| T | Tango |
| U | Uniform |
| V | Victor |
| W | Wiskey |
| X | X-ray |
| Y | Yankee |
| Z | Zulu |
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