[R-390] Elephant Cages

[mikea]

On Mon, Dec 08, 2003 at 11:21:08PM -0800, Bob Tetrault wrote:
> Cecil,
> 
> The Elephant cages had enormously complicated (but so what? to Uncle Sam)
> coax lead/lag phase switching tied to that circular array. They could be
> steered just like a rotary beam and had accurate directivities of a degree
> or so, besides being able to change beam angles nearly instantaneously. It
> really didn't take dozens of receivers; just one, but it would take several
> widely spaced arrays to triangulate a particular emitter. There's a brief
> overview of these Wullenweber arrays in the ARRL handbook with some theory.
> More to be found elsewhere should you care to Google.

The *entire* maintenance manual for the Elephant Cage is vailable on 
the Web. I got a copy about 2 months back, just for old times' sake,

-- 
Mike Andrews
mikea@mikea.ath.cx
Tired old sysadmin