PhosphorRTTY

RTTY DECODER

Real-time RTTY signal decoder. Shortwave radio teletype via your iPhone or iPad microphone, with automatic baud, shift and tuning. Native on iPad in every orientation.

RTTY decoder app for iPhone and iPad. Decode radioteletype signals from shortwave radio in real time using your microphone. ITA2 Baudot or ASCII at 45.45 to 100 baud and 170 to 850 Hz shift, detected automatically, with spectrum, waterfall and punch tape displays. Runs natively on iPad in every orientation, the teleprinter, spectrum and waterfall opened out across the full width of the screen. Essential for ham radio and SWL.