We use 3 foot dishes and 21 dB patches, and yes they point in roughly
the same direction.  We don't have that many 120 sectors so I have no
experience.  The 21 dB patches are only 12 degrees wide so maybe that
is part of why we see such low interaction.

Lonnie

On 10/28/05, Paul Hendry <[EMAIL PROTECTED]> wrote:
> I don't believe so as all the other kit is either mobile operators or +28GHz
> although I haven't fully tested yet. However, I do know that if I set the
> new 120' superpass sector to be a client of the Radiowaves 28db parabolic
> dish it shows a quality of around 30db whilst the normal client (another
> Radiowaves 28db parabolic 18km away) only shows 26db.
>
> Are any of your systems that are 15 foot apart a sector above a dish
> pointing in roughly the same direction?
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> Behalf Of Lonnie Nunweiler
> Sent: 28 October 2005 21:16
> To: WISPA General List
> Subject: Re: [WISPA] 5GHz interference
>
> Are you sure the interference is caused by the other dish?  We have
> systems much closer than 15 foot apart and see no ill effects.
>
> With all the other gear on that tower could you in fact be seeing
> interference from something else?
>
> Lonnie
>
> On 10/28/05, Paul Hendry <[EMAIL PROTECTED]> wrote:
> > Hi guys and gals,
> >
> >
> >
> >            Just seeing if anyone has any advise when mounting more than 1
> > antenna in the same frequency range on a tower. We have just installed a
> > 5.8GHz 120" vert sector at about 47m. Already on the same side of the
> tower
> > @ 42m is a 2 foot vert dish also running 5.8GHz. Both are pointing in
> > roughly the same direction and there is 4 channels separation between
> them.
> > I read somewhere on this list that 5 foot separation should be enough but
> I
> > am seeing major interference. We have a horizontal dish also on this tower
> > for a critical link so changing the dish to horizontal is not an option.
> > Also, the tower is full of high frequency dishes and mobile antennas so
> > there isn't much chance of moving either antennas to a different height.
> > Anyone got any ideas??
> >
> >
> >
> > Cheers,
> >
> >
> >
> > P.
> >
> >
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>
> --
> Lonnie Nunweiler
> Valemount Networks Corporation
> http://www.star-os.com/
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--
Lonnie Nunweiler
Valemount Networks Corporation
http://www.star-os.com/
--
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