They were all qualified radio operators and extremely proficient in international Morse code.
2.
The American code was a little different to the International Morse Code currently in use.
3.
The International Morse Code or " dits " and " dahs ", as in amateur radio practice.
4.
However, it remains the default input method for many input method editors, with VIQR and international Morse Code in Vietnamese telegraph transmissions.
5.
A CWops nominee must be capable of sending and receiving International Morse Code at no less than 25 words per minute using the English language.
6.
The " board " contacts were in good if uninformative English, but the few reported radio contacts, in International Morse code, left a little to be desired.
7.
From 1992-1994, Heritage Preservation funded the survey project Save Outdoor Sculpture !, whose acronym SOS ! references the international Morse code distress signal, " SOS ".
8.
MLS identification is a four-letter designation starting with the letter M . It is transmitted in International Morse Code at least six times per minute by the approach azimuth ( and back azimuth ) ground equipment.
9.
The " American " qualifier was added because, after most of the rest of the world adopted " International Morse Code, " the companies that continued to use the original Morse Code were mainly located in the United States.
10.
The requirement for Amateur Radio operators in the United States to identify their station callsign at the beginning and the end of each digital transmission and at ten-minute intervals using International Morse code was finally lifted by the FCC on June 15, 1983.
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