"Merlin Dorfman" wrote in message
...

They appear to me to be obsolete World War II-era Ground Control
Approach radars...any other thoughts on what they might be?

Tulla isn't that old. It was built in the 70's.
GCA radars are much smaller and doesn't use fixed antennas (well the
RAAF stuff I've seen doesn't
anyway.)
Might be wind shear detection or part of the ILS equipment but I don't
recall that being that large. Interscan?

The CO