An old, Russian, mobile, vacuum tube-using radar system guided an SA-3 as it shot down an F-117 over Serbia. What makes you think modern HF radars that use hig

An old, Russian, mobile, vacuum tube-using radar system guided an SA-3 as it shot down an F-117 over Serbia. What makes you think modern HF radars that use high-tech computers won't be able to do better?