One of the famous aircraft started using ADS-B transponder :D
The 92-9000 747 (AF1) aircraft with full ADS-B.
Aircraft: Boeing VC-25A (B742)
ModeS: ADFDF9
92-9000 Screenshots ADS-B Tracking Photos:
http://forum.flightradar24.com/threads/5158-Air-Force-One-18-02-13
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