SoundCard CW

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Steve Merrifield, VK3ESM,


Morse Code practice for Linux, using a soundcard



System requirements

Linux supported soundcard with FM support.


This program generates morse code characters using the soundcard. It does not rely on the Linux virtual console sound features and may therefore be used either with X11 or from a virtual console. Its features include:

  • adjustable frequency
  • adjustable volume
  • adjustable speed
  • adjustable delay
  • adjustable group count
  • generation of random groups
  • able to decode and play text files

Where and How to obtain it

The software may be obtained from its home site at:


Berkeley style license. The software may be freely used so long as credit is given to the original author.

Contributed by

Steve Merrifield