[MLB-WIRELESS] Cheap Waveguide antenna for Access Points

[Mike Nye]

Hi Darren

At the moment, my 360 design is only on paper, I have not been able to have 
one produced as yet.

It should be able to achieve a higher gain with a larger vertical beamwidth.

I will let you know when I have one to test.

Kind regards,
Mike Nye

At 12:56 PM 1/02/2002 +1100, you wrote:
>Mike, how does your 360 deg slotted waveguide differ from the standard
>vertical colinears performance wise?
>
>Darren
>
> > -----Original Message-----
> > From: Mike Nye [mailto:mikeamp at iinet.net.au]
> > Sent: Tuesday, 29 January 2002 11:31 PM
> > To: melbwireless at melbwireless.dyndns.org
> > Subject: Re: [MLB-WIRELESS] Cheap Waveguide antenna for Access Points
> >
> >
> > Hi Guys,
> >
> > I designed the slotted waveguide antenna on www.e3.com.au.
> >
> > Slotted waveguide antennas require precision machining, as
> > the smallest
> > error will have a huge effect on antenna performance. The
> > waveguides I sell
> > are CNC machined to the required accuracy.
> >
> > If you can make one from a bit of downpipe, go for it, and
> > let me know how
> > it turns out.
> >
> > Kind regards,
> >
> > Mike Nye
> >
> >
> >
> > At 07:16 PM 29/01/2002 +1100, you wrote:
> > >I want something with roughly a 180 degree spread and decent
> > gain for an
> > >access point.
> > >Is something like that going to be easy enough to make?  I
> > can make stuff if
> > >I have plans but I doubt I could design something like this.
> > >
> > >----- Original Message -----
> > >From: "Tony Langdon, VK3JED" <vk3jed at optushome.com.au>
> > >To: <melbwireless at melbwireless.dyndns.org>
> > >Sent: Tuesday, January 29, 2002 6:58 PM
> > >Subject: Re: [MLB-WIRELESS] Cheap Waveguide antenna for Access Points
> > >
> > >
> > > > At 06:39 PM 29/01/2002 +1100, you wrote:
> > > >
> > > > >Meh.  Why not do it yourself?  If you have a look at the
> > Perth site they
> > > > >have a link to some very good online tutorial on
> > antennas.  The slotted
> > > > >waveguide design is ripped right out of this.  Spend the
> > weekend with a
> > > > >bit of galvanised downpipe and a drill and bit set and
> > make your own!
> > >Easy!
> > > >
> > > > Sounds like a good idea. :-)  Hmm, that antenna has all sorts of
> > >possibilities
> > > >
> > > > >Better yet, make my helical... ;)
> > > >
> > > > Hmm, a few turns feeding an old satellite dish? ;-)
> > > >
> > > > 73 de Tony, VK3JED
> > > > http://www.qsl.net/vk3jed
> > >
> > >
> > >
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>
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