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2. Morse code abbreviations - Wikipedia

   en.wikipedia.org/wiki/Morse_code_abbreviations

   Morse code abbreviations are not the same as prosigns.Morse abbreviations are composed of (normal) textual alpha-numeric character symbols with normal Morse code inter-character spacing; the character symbols in abbreviations, unlike the delineated character groups representing Morse code prosigns, are not "run together" or concatenated in the way most prosigns are formed.

3. Morse code mnemonics - Wikipedia

   en.wikipedia.org/wiki/Morse_code_mnemonics

   In Czech, the mnemonic device to remember letters in Morse code lies in remembering words or short phrases that begin with each appropriate letter and have a long vowel (i.e. á é í ó ú ý) for every dash and a short vowel (a e i o u y) for every dot. Additionally, some other sets of words with a particular theme have been thought up in ...

4. List of amateur radio modes - Wikipedia

   en.wikipedia.org/wiki/List_of_amateur_radio_modes

   Morse code is called the original digital mode. Radio telegraphy, designed for machine-to-machine communication is the direct on / off keying of a continuous wave carrier by Morse code symbols, often called amplitude-shift keying or ASK, may be considered to be an amplitude modulated mode of communications, and is rightfully considered the first digital data mode.

5. Morse code - Wikipedia

   en.wikipedia.org/wiki/Morse_code

   Chart of the Morse code 26 letters and 10 numerals [1]. This Morse key was originally used by Gotthard railway, later by a shortwave radio amateur [2]. Morse code is a telecommunications method which encodes text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs.

6. Prosigns for Morse code - Wikipedia

   en.wikipedia.org/wiki/Prosigns_for_Morse_code

   The procedure signs below are compiled from the official specification for Morse Code, ITU-R M.1677, International Morse Code, [1] while others are defined the International Radio Regulations for Mobile Maritime Service, including ITU-R M.1170, [8] ITU-R M.1172, [4] and the Maritime International Code of Signals, [5] with a few details of their ...

7. Q and Z signals - Wikipedia

   en.wikipedia.org/wiki/Q_and_Z_signals

   Download QR code; Print/export ... Download as PDF; Printable version ... Q and Z signals are brevity codes widely used in Morse code radio telegraphy . See ...