International Morse Code Sample

Rec. ITU-R M.1677 1
RECOMMENDATION ITU-R M.1677
International Morse code
(2004)
The ITU Radiocommunication Assembly,
considering
a) that versions of the Morse code have been in use since 1844;
b) that it continues to be used in some radiocommunication services including the amateur and
amateur-satellite services, and to a diminishing extent in the mobile and fixed services;
c) that the code needs to be updated from time-to-time to meet the needs of the
radiocommunication services,
recommends
1 that Annex 1 should be used to define the Morse code characters and their applications in
the radiocommunication services.
Annex 1
Operational provisions applying to Morse working
Part I – Morse code
1 Morse code signals
1.1 The following are the written characters that may be used and the corresponding Morse
code signals:
1.1.1 Letters
a . i . . r . .
b . . . j . s . . .
c . . k . t
d . . l . . . u . .
e . m v . . .
accented e . . . . n . w .
f . . . o x . .
g . p . . y .
h . . . . q . z . .
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