Mrp40 Morse Code Decoder Jun 2026

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Unlike basic decoders that rely on simple threshold filters, the MRP40 uses advanced and autocorrelation algorithms. It was originally written for DOS in the 1990s and later ported to Windows. Today, it runs on Windows 10 and 11, as well as under emulation on Linux and Mac. mrp40 morse code decoder

Users can send Morse code by typing on their computer keyboard, which the software converts into perfectly timed CW audio, which can then drive a transmitter. This public link is valid for 7 days

Ensure your input levels are not "clipping" (too loud). A clean audio signal results in much better decoding. Can’t copy the link right now