[GLLUG] Wok wireless antenna -> p-to-p wireless

Karl Schuttler rexykik at gmail.com
Tue Jun 5 14:13:31 EDT 2007


I know Michael George is doing something like that...he lives out in
the sticks and is getting internet from an acquaintance that way, if I
remember right.

On 6/5/07, Stephan Andre' <andres at msu.edu> wrote:
> It entirely depends on the terrian you have between the two points.
> If you were in the desert and had a clear view of the other point, I'd
> say sure, it would work.  But here in Michigan we have these pesky
> leafy attenuators called trees, which do an amazing job of soaking
> up 2.4GHz rf, and buildings and such which splatter the rf, etc.
>
> With enough of an antenna, you could likely get it to work, but it
> might be a real pain.  Building your own dish antenna can be fun;
> hams do that often.  The feedhorn and its placement is more
> exact than some of the wifi oriented designs I've seen say it is.
>
> Also there is a real safety warning here.  That 2.4GHz energy from
> your wireless unit is the same as what a microwave oven uses.  A
> dish works by refocusing the RF into a tighter beam.  If you have
> a 100mW transmitter and make a 16dB gain dish, you'll have an
> effective raidated power (ERP) of 4 watts.  Staring into that is not
> good for your eyes or other small blood vessels in your head.  This
> is a REAL danger.  Treating the business end of a microwave
> frequency dish like a gun is a must.  So keep it off when working
> with it and stay at least 12 feet away when its on (farther is
> better).
>
> If you try this, let us know if you get it to work.
>
> --STeve Andre'
> (ham call wb8wsf)
>
> On Tuesday 05 June 2007 08:23:09 Mark Szidik/mlc wrote:
> > I have a project I'd like to explore similar to the wok antenna (maybe
> > I'll need one) .   My home is only about 2.5 driving miles from my work.
> > I'd love to be able to setup a wireles point to point link between the
> > two.  Anybody done this before?
> >
> > Here is a google map of the locations:
> > http://maps.google.com/maps/ms?ie=UTF8&hl=en&msa=0&ll=42.696693,-84.528852&
> >spn=0.042895,0.083427&t=h&z=14&om=1&msid=102315249805099164893.00000112fbce8
> >3599c4ad
> >
> > Thanks,
> > ---
> > Mark Szidik
> >
> > "Karl Schuttler" <rexykik at gmail.com>
> > Sent by: linux-user-bounces at egr.msu.edu
> > 06/04/2007 11:09 PM
> >
> > To
> > "linux-user at egr.msu.edu" <linux-user at egr.msu.edu>
> > cc
> >
> > Subject
> > [GLLUG] Wok wireless antenna
> >
> > I've got a wok, and we don't really do chinese cooking here, so I was
> > wondering if anyone has made a Wok antenna. In case you aren't aware,
> > these are known to be superior to the cantenna, and simpler to make;
> > just checking.
>
>
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