> On Jan 20, 2008 3:48 PM, Peter Todd <pete@petertodd.ca> wrote:

> > As part of a larger project I've been developing ways to detect mobile
> > devices that emit radio waves, cellphones, bluetooth, wifi etc.....
> >
> > What I don't have is an ...
> >
> > Any suggestions on antenna design?

For PCB-etched antennae, maybe do a Google for fractal aerials (or antennae, in
US English). Small size, broadband and quite elegant looking.

eg.

http://en.wikipedia.org/wiki/Fractal_antenna

There's a Spanish site around - can't find it right now - that had some PDFs on
fractal aerial design.

best - Debbie.


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