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MixW V3 is a software program for amateur radio operators that supports PSK31, RTTY, SSTV, MFSK, Olivia, Hellschreiber, and other modes. It provides features such as logging, DXCluster, telnet access, log backup, rotor, and CAT control. The page offers downloads for Olivia support DLL, Q15X25 support DLL, contest DLLs and macros, serial port emulation drivers, virtual network adapter drivers, Ax25Inet program, and help files. It also includes important notes for Olivia mode operation, such as sound card sample rate calibration and signal placement guidelines.

CW Player version 4 is a simple freeware program generates Morse characters and Q codes. It needs a sound card and at least Windows XP. It can generate morse code from text files, and it includes also a simple decoder function. This is a useful piece of software if you want to learn morse code reception.

You can use like a VCR to record from your radio, the internet, or any sound input. Recordings are saved as WAV or MP3 files on your PC hard disk drive, and can easily be played back from the list of completed recordings.

Hundred of spy number stations recordings in mp3 file format

The PSK31 philosophy, tips and tricks, sound files, how to get started, sound card setup and tips.

Some tens of very special audio files recorded during amateur radio activities like aurora traffic, meteor scatter, communications with ISS crew and the sound of various transmission modes that you can hear on HF and VHF bands

Comercial windows sound/voice activated recorder, will start recording when sound is detected. Recording to compact MP3-files. 30 days trial available.

Signal generator using the PC soundcard to output continuous tone, CW, SSTV, AO-40 telemetry, and PSK31 test signals with variable AWGN. The program will also output to a RIFF .wav file by AE4JY

QuickRecord is a trialware compact application for recording and playing sound on a Microsoft Windows PC. It works on Windows 95, 98, Me, NT4, 2000, and XP. Recording and playing back directly to and from disk files, QuickRecord maintains the simplicity of the standard Windows Sound Recorder applet but without the restrictions.

PathSim is a Windows program that can be used to simulate radio propagation paths using a soundcard and/or wave files as the source and destination.

MorseMaker is an up-to-date replacement for the Morse Machine shown further down this page. It has been re-written using a different programming language and is now entirely 'stand-alone' requiring no run-time support files. This version also works with Windows XP and can use the soundcard but please note that, unlike its predecessor, it does not split the alphabet into smaller 'learning' blocks and does not incorporate the Morse reader.

Several files with examples of sounds from digital radio modes on short wave. PSK, RTTY Hellschreiber MFSK FSK Sitor

Useful pages of longwave operations, includes a lot of reference files, beacons list, sounds and pictures

Real Audio files containing interesting examples of VHF DX propagation from Sydney, Australia

Beacons recorded audio files by kl7fdq

Audio files to help identify rf noise (rfi). Identify the RFI that interferes with your reception. RFI Noise identification.

MP3 and Wav files of some stations recorded on HF anc VHF bands by K9MU

Topband and DX recordings and sound files on 160 meters band

iSpectrum is a free spectrum analyzer for MacOS that allows you to display live audio in a standard frequency plot, waterfall display or in a stereo oscilloscope view. Used by ham radio operators, audiofiles, musicians, and Sound Technicians.

UV-3R Review at G4ILO Blog with long textual review, pictures and some sound files

A sound file collection of QRP contacts by AE5X

This page contains links to a variety of data signals that have been specially recorded. Each file contains a standard test message (the quick brown fox jumped over the lazy dog) repeated twice. The files can help you learn the characteristic sound of various data modes but they can also be used to make sure your decoder is working.