Not sure who is is yet as I'm not seeing him on Mode-S\ADS-B but he' s loud and clear on the radio. I also have a U-2S above 60,000 feet on Mode-S...this is AE0960 80-1085<http://www.airframes.org/reg/801085>: http://www.airliners.net/photo/USA---Air/Lockheed-U-2S/2233891/L/&sid=443e0837448ac15f6c1c3be603c9e680 -Roger in Sonoma County