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Re: Topband: "Artificial" Propagation...?

Subject: Re: Topband: "Artificial" Propagation...?
From: Bert Barry <>
Date: Sat, 10 Mar 2012 15:26:04 -0500
List-post: <">>
Hi Eddy,

Don't get your hopes up.  For one thing,  aluminum oxide is a very good 
insulator - its conductivity is around 10 to the 14th - although 
it has a high dielectric constant (around 9 to 11, depending on crystal 
orientation).  A  cloud of this could affect radio waves, but I wouldn't 
want to predict the effect.  But more importantly, 100 km is too low to 
provide much help to us Topbanders.  This is far below the E and F 
layers of the ionosphere  that we rely on for DX.

But I imagine astronomers, professional and amateur, will be up in arms 
about this idea.

73,  Bert

On 10/03/2012 12:01 PM, Eddy Swynar wrote:
> Hi All,
> An on-line friend recently sent me this timely link re. an upcoming NASA 
> experiment that involves the releasing of an aluminum oxide "cloud" some 60 
> miles above earth:
> I wonder if the conductivity (if any) of this man-made cloud will have any 
> effect upon radio propagation...? (Heaven only knows that the propagation on 
> Topband this season has been far from stellar---"any and all assistance 
> appreciated", Hi).
> This could be of great benefit to VHF DX'ers, perhaps, if not us denizens of 
> the nether-regions of the frequency spectrum...
> ~73~ de Eddy VE3CUI - VE3XZ
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK

UR RST IS ... ... ..9 QSB QSB - hw? BK

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