On Apr 29, 5:51*am, Larry Dighera wrote:


I would guess the controller would need to adjust his scope from it's
usual setting to see primary targets, so a radio call may be
necessary. *While a corner reflector would doubtless increase the
radar energy returned to the radar antenna and provide a brighter
primary target, I doubt that would be sufficient to cause the glider
so equipped to become visible on ATC's scopes without reconfiguring
them to display slow-moving primary targets.


How slow does a target need to be to be undisplayed -typically? I
would have thought that even a glider is fast (45 knots) compared to
usual clutter.

Cheers