[MLB-WIRELESS] Omni antenna's

Fulton, Darren J Darren.Fulton at team.telstra.com
Wed Apr 3 10:07:28 EST 2002


There are a few errors with that design. Drew said he had mentioned this to
one of the designers a while back but they still haven't corrected the web
page yet.

Darren
> -----Original Message-----
> From: vortex [mailto:vortex at free2air.net]
> Sent: Wednesday, 3 April 2002 5:16 AM
> To: Peter Rogers; melbwireless at wireless.org.au
> Subject: Re: [MLB-WIRELESS] Omni antenna's
> 
> 
> 
> raylab from free2air recently attempted a collinear omni design from
> 
> http://205.159.169.11/reference/antennas/2ghz_collinear_omni/
> 
> it's a reasonable effort to build - it took a day or two.
> 
> (in comparison to helicals which we have down to a few hours now)
> 
> unfortunately, for reasons we don't know (yet), our first 
> attempt was pretty 
> well useless, with unreliable gain and sometimes loss!
> 
> we'll try again, but be warned - it may be more difficult 
> than you first 
> think.
> 
> in the process of sourcing an etching bath to experiment 
> further with 2-D 
> etched designs (useful to test designs for splitters, some 
> sectors, and yagi 
> style antennas).
> 
> .vortex
> 
> On Tuesday 02 April 2002  9:40 am, Peter Rogers wrote:
> > Ok i have seen the links on the net for the omni antenna's 
> but im wondering
> > if anyone has accually made and tested any of them?? or 
> maybe some other
> > type of wide angle antenna (pannel etc.)
> >
> > im looking to get an antenna up but i dont want to limit my 
> options at the
> > moment so if there was a wide angle antenna up it would be 
> alot better.
> >
> > any suggestions??
> >
> > and yes money is allways a problem thats why the home made 
> is better .
> >
> > Regards
> >
> > Peter Rogers
> >
> > PS Drew.i think the nade database isnt working properly ( 
> might be due to
> > the new server)
> 
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