|Subject:||Re: [TowerTalk] Double shield|
|Date:||Wed, 13 Oct 2004 10:29:52 +0000|
W6RMK (I think it was) continued:|
> The "holes" in the braid of a piece of coaxial cable I see are often > bigger than that in a mesh surface of a dish receiving C-band, if > not Ku-band. The mesh is like waveguide beyond cutoff & so are > the holes in the braid.
It's like building screen rooms.. woven mesh bad: welded mesh good.
However, Tom's comments relating to the numerical difference are well taken. In most applications, the difference between 60 and 100 dB isolation is moot.
Moot is the right word, though. ;^)
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
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