This GNU Radio component implements common aircraft datalink protocols such as Mode Select, ADS-B, and TIS-B. ACARS will be done in the future.
Current status (18/10/09)
This has been partially updated to use GNU Radio 3.2. Mode S decoding and dumping does work (USRP1 with DBSRX), although only with such a low gain that packets are almost invisible on a scope display.
usrp_oscope_ms.py Display samples, reference level, and sample attributes on a oscilliscope. (doesn't work with GNU Radio 3.2 yet) usrp_mode_s_logfile.py Dumps raw Mode S frames to a log file. ppm_demod.py Mode S Decoding Block