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CW Skimmer is a Windows program that decodes and analyzes Morse code signals in the receiver passband. It uses Bayesian statistics, noise blanker, AGC, and CW filter, and supports network connections and DX cluster interface.
Learn about the origin, development and features of Morse code, a method of encoding text characters as dots and dashes for telecommunication. Find out how Morse code is used in different languages, media and applications, and how it is transmitted and received.
Learn about the history, classification and correspondences of the Russian Morse code, a non-Latin Morse code for Russian Cyrillic. See the table and melodies of the Russian characters and their Latin equivalents.
Prosigns are shorthand signals used in Morse code telegraphy to simplify and standardize procedural protocols. Learn about their history, notation, representations, and international variations.
Fldigi is a free and open-source program that uses a computer's sound card as a data modem for amateur radio. It supports many digital modes and can run on various operating systems and architectures. The source code is hosted on sourceforge.net.
Learn how to use Morse code abbreviations to speed up Morse communications by foreshortening textual words and phrases. See the table of selected abbreviations and their meanings, and the difference between abbreviations and prosigns.
Learn about the early electrical telegraph system invented by William Fothergill Cooke and Charles Wheatstone in the 1830s. Find out how it worked, who used it, and how it evolved over time.
A telegraph code is a character encoding used to transmit information by telegraphy. Learn about different types of telegraph codes, such as Morse code, Baudot code, Chappe code, and Edelcrantz code.