Earlier this year my club had a visit to Airservices at Melbourne. They showed us how their primary radar computer is set to screen out returns that are travelling less than so many knots. Despite this, we occasionally saw vehicles painted travelling to or from Geelong or up the Western Highway rise to Ballan. They said they only occasionally see a flicker from (untranspondered) gliders at Bacchus Marsh.
Dave Long > >Mike Borgelt wrote: > There is certainly a lot more computer power associated with ATC radar in > the Australian environment now. I imagine that the controller can simply > set the system to ignore any useles clutter like a bunch of gliders > thermalling. _______________________________________________ Aus-soaring mailing list [EMAIL PROTECTED] To check or change subscription details, visit: http://lists.internode.on.net/mailman/listinfo/aus-soaring