ARLA/CLUSTER: Como enviar os simbolos " @ " e " % " em CW.?

João Gonçalves Costa joao.a.costa ctt.pt
Terça-Feira, 20 de Novembro de 2012 - 13:40:58 WET


How to send @ or % in Morse Code

Many of those proficient in Morse might be stumped when it comes to sending @ or %, fortunately the ITU-R recommendation on International Morse Code provides an answer.

The ITU Radiocommunication Sector (ITU-R) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU) and is responsible for radio communication.

Recommendation ITU-R M.1677-1 (10/2009) confirms the International Morse code characters and the operational provisions applying to their use in radiocommunication services.

The Morse code for @ is .- - .- .

For the percentage sign % there is no corresponding signal in the Morse code and they recommend that the figure 0, the fraction bar and the figure 0 shall be transmitted successively.

A whole number, a fractional number, or a fraction, followed by a % sign, shall be transmitted by joining up the whole number, the fraction number, or the fraction to the % by a single hyphen.

For 2% you would transmit 2-0/0

The ITU-R International Morse Code Recommendation M.1677-1 (10/2009) can be downloaded in Word or PDF format from
http://www.itu.int/rec/R-REC-M.1677-1-200910-I/en

Other ITU-R M Series Recommendations are available at
http://www.itu.int/rec/R-REC-M/en
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