Have they sorted those problems with the new RPAR at RAF bases yet? I understand it tends to lock on to anything else it can see coming down the approach. I remember some years ago wondering at a controller mentoring a trainee doing his first ever live PAR on the CR62. The display was just stuffed with all kinds of rubbish and the trainee, like me, was wondering how anyone could figure out where the aircraft was in amongst all the clutter. But the controller had no doubt and kept that aircraft bang on the centreline and the glidepath all the way down. Great to watch, great to fly too!
NS