The version 20140930 of ModeSDeco2 is being tested with HackRF One open source software radio platform:
It is possible that you misinformed the name of the program. However, you did not mention a third type of SSR - Mode A/C.
ModeSDeco2 able to receive and decode all three main types of Air Traffic Management and Control (ATM/ATC) Secondary Surveillance Systems (SSR):
The principle difference of ADS-B from others is to transmit location coordinates of aircrafts. The messages above shows, that ADS-B data that has been decoded by ModeSDeco2, allow you to display the aircrafts on the map.
- Conventional Mode A/C employ technical principles which were originally developed over 50 years ago.
- Mode S (Select) - both Elementary Surveillance (ELS) and Enhanced Surveillance (EHS), witch establishes selective and addressed interrogations with aircraft within its coverage, and was established in the mid-1990s.
- Automatic Dependent Surveillance-Broadcast (ADS-B) is surveillance system, that is intended to replace traditional radar based systems 1 and 2, and is expected to become an essential part of the Next Generation Air Transportation System. ADS-B is intended to be widely deployed in ATM Surveillance systems by 2020.