From: "Andrew M.A. Cater" <amaca...@galactic.demon.co.uk>
Date: Thu, 12 Jun 2014 17:06:51 +0000
> It doesn't _have_ to be metallic - a small dish shaped "thing" in any material
> that isn't actually RF lossy may show some focussing effect. It also doesn't 
> have
> to be solid - for some RF frequencies, chicken wire with big air holes in it 
> will
> also work correctly. Two biscuit tin lids will make a "good enough" corner 
> reflector.

Thanks.

From: Bzzzz <lazyvi...@gmx.com>
Date: Thu, 12 Jun 2014 19:28:37 +0200
> ... check your local regulations for EIRP max power, as 1.5W is way beyond
> most of countries legislations (ie: UE has an EIRP of 100mW).

The relevant limit in Canada and the USA appears to be 1 W.  
http://www.bcwireless.net/moin.cgi/Regulatory#Using_the_Unlicensed_2.4GHz_radio_spectrum
http://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01320.html
http://www.afar.net/tutorials/fcc-rules/
(For both Debian and Windows!) 

A laptop marketed in Canada or the USA might be illegal for 
use in Europe, even if Debian is replaced with LiMux?
http://en.wikipedia.org/wiki/LiMux

Power density should be more pertinent to interference than 
total radiated power.  Location should also be pertinent.  
In an urban location, the neighbour can be a few m away whereas 
in a rural location the neighbour can be half a km away.  
But reference to density and location might introduce unaccepable 
complexity.

Thanks for the replies,          ... Peter E.

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Tel +1 360 639 0202  http://carnot.yi.org/  Bcc: peter at easthope. ca


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