cocoaModem is a Mac OS X application which implements modems (modulator-demodulators) for some of the Amateur Radio modulation modes. cocoaModem's name is a reference to the MacOS X Cocoa framework that it uses.
Easy-to-use native Cocoa application with a dual-pane interface, support for all file operations, keyboard shortcuts, and themes.
MultiMode Cocoa allows your Mac to decode and transmit several different modes of non-voice communication often heard on shortwave and ham radio.
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