[UK-CONTEST] Aircraft reflections -more

[Dave Sergeant]

November/December 1966, I have it on the RadCom CD.

73 Dave G3YMC

On 11 Jun 2012 at 5:28, Giles Herbert wrote:

> 
> There were two parts to the article which was called "A little flutter
> at VHF" by Paul Sollom G3BGL.  I cannot remember the dates of this but
> as you say it was in the middle(?) sixties.  By the way, it was the
> Lille Band three Vision carrier that was the signal source which was
> constantly audible at his QTH near Newbury.
> 
> An intersting article from an intersting man.73
> Giles Herbert
> G0NXA
> 
> 
> 
> > Date: Sun, 10 Jun 2012 23:07:57 +0000
> > From: clive at gw3njw.net
> > To: uk-contest at contesting.com
> > Subject: [UK-CONTEST] Aircraft reflections -more
> > 
> > Please excuse this way OT question, but it does sort of relate to some
> > stuff that was exchanged here a while back about aircraft reflections
> > on VHF.
> > 
> > It will probably take a G3 to remember this, but probably in the '60s
> > there was an article in the Bulletin as was, which studied aircraft
> > refelctions from a 2m beacon, and offered a mathematical proof, that
> > the minimum of the chuff chuff effect occurred when source and
> > aircraft were on the periphery of a common ellipse. This matters to a
> > number of us ( bored contesters !) who are studying Doppler aircraft
> > reflections in WSPR mode on 6m, where the Doppler minimum also
> > corresponds to the minimum observed chuff chuff amplitude.
> > 
> > I'd really like to access that original article if anyone has a 
> > recollection of it
> > 
> > 73
> > 
> > 
> > Clive
> > GW3NJW
> > 
> > -- 
> > ( de GW3NJW )
> > 
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> 
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