The file appears to be a specialized software bundle associated with RTTY (Radioteletype) contesting , likely containing MMTTY , a popular engine used by amateur radio operators to decode and transmit digital signals. What is OTTMTY?
: Converts radio frequencies into readable text on a computer screen. Download: OTTMTY 2.0.zip (83.37 MB)
: Configurable settings for Audio Frequency Shift Keying or Frequency Shift Keying via COM ports. The file appears to be a specialized software