|
Voice |
Code |
Situation |
|
Go ahead |
K |
Used after calling CQ, or at the end of a transmission, to indicate any station is invited to transmit. |
|
Over |
AR |
Used after a call to a specific station, before the contact has been established |
|
|
KN |
Used at the end of any transmission when only the specific station contacted is invited to answer. |
|
Stand by or wait |
AS |
A temporary interruption of the contact. |
|
Roger |
R |
Indicates a transmission has been received correctly and in full. |
|
Clear |
SK |
End of contact. SK is sent before the final identification. |
|
Leaving the air or closing the station |
CL |
Indicates that a station is going off the air, and will not listen or answer any further calls. CL is sent after the final identification. |
Word list adopted by the International Telecommunications Union
|
A Alfa B Bravo C Charlie D Delta E Echo F Foxtrot G Golf H Hotel I India J Juliet 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 Whiskey X X-ray Y Yankee Z Zulu |
9.0 The R-S-T System
|
Readability |
Signal Strength |
Tone |
|
1 Unreadable 2 Barely readable, occasional words distinguishable. 3 Readable with considerable difficulty. 4 Readable with practically no difficulty. 5 Perfectly readable.
|
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.
|
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.
|
