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Readability | Signal Strength | Tone |
1-Unreadable | 1-Faint, signals barely |
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2-Barely readable, occasional words distinguishable | 2-Very weak signals |
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3-Readable with considerable difficulty | 3-Weak signals |
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4-Readable with practically no difficulty | 4-Fair signals |
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| 5-Perfectly readable | 5-Fairly good signals | 5-Musically modulated note |
| 6-Good signals |
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| 7-Moderately strong signals |
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8-Strong signals |
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| OsANDEEP bARUAH | 9-Extremely strong signals | 9-Purest DC note |
Readability Scale | Signal Strength Scale | ||
Q1 | Hardly perceptible; unreadable | R1 | Unintelligible; barely perceptible |
Q2 | Weak; readable now and then | R2 | Weak signals; barely readable |
Q3 | Fairly good; readable but with difficulty | R3 | Weak signals; but can be copied |
Q4 | Good; readable | R4 | Fair signals |
Q5 | Very good; perfectly readable | R5 | Fairly good signals |
R6 | Good signals | ||
R7 | Moderately strong signals | ||
R8 | Strong signals | ||
| O | O | R9 | Extremely strong signals |
._ A __. G __ M ... S _.__ Y _... B .... H _. N _ T __.. Z _._. C .. I ___ O .._ U _.. D .___ J .__. P ..._ V . E _._ K __._ Q .__ W .._. F ._.. L ._. R _.._ X
.---- 1 -.... 6 ..--- 2 --... 7 ...-- 3 ---.. 8 ....- 4 ----. 9 ..... 5 ----- 0
Punctuation marks
Point (.) .-.-.- (AAA) Comma (,) --..-- (MIM) Question-mark (?) ..--.. (IMI) Colon (:) ---... (OS) Hyphen (-) -....- (BA) At-sign (@) .--.-. (AC) Error ........Codes for Esperanto accented letters
c-circumflex -.-.. g-circumflex --.-. dotless-j-circumflex .---. s-circumflex ...-. u-breve ..-- Hx -.--.kalau tak faham boleh rujuk gambar:
| QRA | Name |
| QRB | Distance |
| QRG | Frequency |
| QRK | Intelligibility |
| QRL | Busy |
| QRM | Interference |
| QRN | Noise |
| QRO | High power |
| QRP | Low power |
| QRQ | High speed CW |
| QRS | Low speed CW |
| QRT | Close down station |
| QRV | Ready |
| QRX | Stand by |
| QRZ? | Who is calling me? |
| QSB | Fading |
| QSD | Defective keying |
| QSK | Break in |
| QSL | Confirmation or card to confirm contact |
| QSO | Radio contact |
| QSY | Change frequency |
| QTC | Message |
| QTH | Location |
| QTR | Time |