DroidRTTY is an application to decode and encode Ham Radio RTTY with the build in microphone/speaker or wired to your radio.A waterfall shows the frequency spectrum of 100Hz to 2500Hz. Just slide the waterfall slide on a RTTY carrier frequency and DroidRTTY will decode the signal.In transmitting mode characters can be entered trough the keyboard. 9 Macros are also available to store standard texts like