(R) |
Radio Meaning |
| R1 |
Unreadable. |
| R2 |
Bearly readable. |
| R3 |
Readable with concierable difficulty. |
| R4 |
Readable with practically no difficulty. |
| R5 |
Perfectly readable. |
|
(S) |
Signal Meaning |
| S1 |
Faint signal, bearlt receptible |
| S2 |
Very weak signal. |
| S3 |
Weak signal. |
| S4 |
Fair signal. |
| S5 |
Fairly good signal. |
| S6 |
Good signal. |
| S7 |
Moderately strong signal. |
| S8 |
Strong signal. |
| S9 |
Extremely strong signal. |
|
(T) |
Tone Meaning |
| T1 |
Extreamely rough hissing note |
| T2 |
Very rough A.C. note. |
| T3 |
Rough A.C. low pitched note. |
| T4 |
Rather rough A.C. note. |
| T5 |
Musically modulated Note. |
| T6 |
Modulated Note. |
| T7 |
Near D.C. note. Smooth ripple. |
| T8 |
Good D.C. note. |
| T9 |
Purest D.C. note. |
|
