You talking about the "Dynamic Soaring" clip?
ORIGINAL: scoeroo
I've studied the video footage (many,many times)and with out a calibration date and certification of the radar equipment used , not to mention background reflection , it's hard to verify a claim like this .
My 15 years of university and a Phd in electro-mechanical engineering convince me otherwise ,
Sorry to put a damper on a good days flying