Gene Greneker, a veteran radar researcher from Georgia Tech, reviews the history and current limits of UAP radar tracking—from misinterpretations of radar angels during the 1952 Washington flap to the ongoing effects of MTI, polariza… #aliens #altpropulsion #ga #may2026 #ovni #uap #ufo #ufosky #usa https://www.altpropulsion.com/uap-radar-detection-tracking