Pictures dont do justice.
So I am looking at this picture and am thinking
that with the frequencies involved (as low as 5Mhz)
these elements (one cage) being a dipole would be approx the same length as a
1/2 wave wire dipole.
So each of these cages is as long as my wire dipole for 80 meters??
Bob AD5VJ
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Jim Brown
> Sent: Thursday, December 18, 2008 7:20 PM
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk] Some spectacular views of the
> abandonedRussian Woodpecker antenna array
>
> On Thu, 18 Dec 2008 19:00:19 -0600, Rob Atkinson wrote:
>
> >The antenna had to
> >have enough gain to develop a huge ERP because as over the horizon
> >radar on HF, it had to put out a field strong enough to get a
> >reflection from a relatively small surface (such as a missile)
> >thousands of km distant.
>
> The two curtains at the Mason, OH VOA site (just north of
> Cincinnati) had gain on the order of 20 dBi, and were rather
> broadband. One was pointed to northern EU, the other to southern EU.
> >From I75, a few miles to the west, they looked like a very large
> suspension bridge. This site also had a bunch of rhombics,
> with about 3 dB more gain. Our EE class toured this site in
> 1963. There's now nothing left but the building.
>
> 73,
>
> Jim K9YC
>
>
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