Quote Originally Posted by CJE View Post
What I would like to find now is a unit which detects all the Real Radar and so forth - but knows that from the ever-increasing collision avoidance 'radar'.

Is there such a unit?
Your are not the only one that wants such a detector but as of this time none currently exist that can ignore all avoidance systems. Many improvements have been made since your Pro 500 which is pretty bad in terms of filtering but nothing can ignore all of them as of yet.