MultiMode Cocoa 6.2.4 - Decode various modes of non-voice radio communications.. (Shareware): "
MultiMode Cocoa allows your Macintosh to decode and transmit several different modes of non-voice communication often heard on shortwave and ham radio. It is the only program of its kind for the Macintosh, rivaling commercial packages for the PC platform costing hundreds of dollars. It is ideal for amateur radio operators, shortwave radio listeners, and other radio enthusiasts.
- Improvements to Packet mode decoding performance
Mac OS X 10.5 or later
(Via MacUpdate - Mac OS X.)