Here's a nice introduction to microwave antennas
http://www.qsl.net/n1bwt/chap1.pdf
Further chapters (chap2.pdf, etc) are about Horns, Metal Plates amd
Parabolic dishes.

-----Original Message-----
From: Dave Michelson [mailto:dmichelson@;ieee.org] 
Sent: Thursday, November 07, 2002 12:14 PM
To: Jim Michael; bawug
Subject: Re: [BAWUG] 802.11 and babies


Jim Michael wrote:
> 
> The inverse power law works for a point source with radiation emitted in
all
> directions, but a reflector (antenna) can modify the radiation pattern
such
> that the entire RF output can be directed at baby. 

Jim,

The inverse square law applies in BOTH cases.  It's not limited to
isotropic radiators (point sources).

-- 
Dave Michelson
[EMAIL PROTECTED]
--
general wireless list, a bawug thing <http://www.bawug.org/>
[un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless
--
general wireless list, a bawug thing <http://www.bawug.org/>
[un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless

Reply via email to