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Upload file; Search. Search. Appearance. Donate; ... Morse code mnemonics are systems to represent the sound of Morse characters in a way intended to be easy to ...
SOS is a Morse code distress signal ( ), used internationally, originally established for maritime use.In formal notation SOS is written with an overscore line (SOS), to indicate that the Morse code equivalents for the individual letters of "SOS" are transmitted as an unbroken sequence of three dots / three dashes / three dots, with no spaces between the letters. [1]
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.
morse - Morse code representation. Use "." and "–" or "_" for dots and dashes. A space or other unspecified character will give an inter-character (two beat) pause. morse_sound - Morse code sound file. morsealt optional - Alternate Morse code representation. morsealt_sound optional - Alternate Morse code sound file. flag_img - Signal flag ...
A signal strength and readability report is a standardized format for reporting the strength of the radio signal and the readability (quality) of the radiotelephone (voice) or radiotelegraph (Morse code) signal transmitted by another station as received at the reporting station's location and by their radio station equipment. These report ...
QSO logger for Emacs with a customizable dynamic form for rapid data entry into an ADIF file. Suitable for general logging or contesting, it can be customized to use almost any combination of fields in the ADIF 3.1.4 specification.
MCW can be generated by any AM or FM radio transmitter with audio input from an audio oscillator or equivalent audio source. [1] [2] When an SSB transmitter is modulated by Morse code of only a single audio frequency, the resulting radio frequency emission is J2A or J2B and therefore is CW by definition, not MCW. [3]
Acoustic telegraphy (also known as harmonic telegraphy) was a name for various methods of multiplexing (transmitting more than one) telegraph messages simultaneously over a single telegraph wire by using different audio frequencies or channels for each message. A telegrapher used a conventional Morse key to tap out the message in Morse code ...