MorseDec (68K)

If you've ever twirled the dials on a shortwave radio, chances are you've heard some strange beeping noises. That noise is actually a code--Morse Code--and those beeping sounds are actually pages and pages of text messages being sent around the world at lightning speed. In the past, you had to be a skilled radio operator to decode these signals, but today, you can simply download MorseDec and let your Mac do all the translation work. Just hook up a microphone to the sound input jack of your Mac, place it in front of your radio speaker, launch MorseDec, and tune your shortwave or amateur radio to a Morse code transmission, and watch the
More...

Requirements

Microphone, shortwave or amateur radio