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From: C.D.H.Williams@exeter.ac.uk (Charles DH Williams)
Subject: Re: Alan Blumlein site
Date: Mon, 16 Sep 2002 15:38:57 +0100
Organization: speaking for myself...
References: <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <6RWg9.101$Fc5.email@example.com> <firstname.lastname@example.org> <3D848658.email@example.com>
NNTP-Posting-Date: 16 Sep 2002 14:42:45 GMT
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In article , John Woodgate
> Does the web search actually disclose the *beam-forming arrangement*,
> which is what the OP says is still classified? IIRC, these systems
> worked at around 1 MHz = 330 m wavelength. You would need a BIG
> conventional antenna to get a narrow beam at that wavelength. Think 3 km
> = 2 miles!
I think Knickebein and its successor Bernhard actually worked at about
30MHz, the antennae were about 30m high. Pre-magnetron British radar
antenna were up to 100m high.
I dunno what the OP knows/imagines is classified. I think most people who
actually have access to classified literature tend not to post about it on
All the best
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