Re: Trouble with long distance link ~40km

On Mon, Jun 24, 2002 at 01:05:09AM -0600, M. Warner Losh wrote:
> 
> But I thought that 28dBi was the largest dish you could put into an
> 802.11b link under FCC rules.  Oh wait, [email protected] might not be in
> the US :-).  A 40dBi dish is possible, but I'd imagine that it would
> have such a tight beam that it would be very very hard to properly aim
> and secure.  It would also be so large that the wind would become a
> major factor in signal quality due to deformation effects...

Indeed, I recently setup a 20mile link with two 24dBi dishes.  Its'
taken a few visits at both sites to get the aiming "right", not "just
right", but "good enough".  This was with 8deg of beamwidth.

-- 
Matt Peterson                  Bay Area Wireless Users Group
Founder                              <http://www.bawug.org/>
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