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Re: First WIPOP questions
Now that you have explaine dyour self better I will let you keep using the
Omni .. I will call off the black maguc gods at once :))
Its interesting that you have lots of interoffice links ... I must look at
that with some more effort !
Good Luck !
On Wednesday 25 July 2001 14:46, you wrote:
> we are running a BIG cell, 30 mile radius as the "official" size, 40 mile
> links have been made. Our amp is to get the boost.. This is the MDF of our
> network, it serves the community towers + users. The Omni Unit hasn't
> actually been used much, it is more of a standby, but, it can still to a 25
> mile link where we have it. The funny thing is that 90% of our current
> customers right now are not internet customers, they use us to provide
> office to office communications...
>
> As we grow on Internet Services, we will be replacing the MDF Tower's omni
> and sectors with P-P links to feed other towers only, or we may change the
> back haul to 5.8 and put 3 2.4ghz quad-groups on the tower and dispense
> with the omni.
>
> Now, the point I was trying to make is that the Omni isn't a unit for your
> high user ISP, it is for your brand spanking new startup or small community
> tower (yes, un amped on the community tower). It is for making a small-mid
> size cell cheep, and with good data connections --as long as you stay under
> 50-100 users--. Over this amount, the noise is too much for a Big Omni.
> This is a antenna for the new ISP who doesn't wish to invest 10k$ into a
> multipoint sectored system with backups just to do a market test and see if
> they are going to do any business.
>
> This is how we started, the 15dbi Big Loud Omni (as we call it) was the
> best unit to get the first 50 users connected, then we got funding for 2
> rounds of sectors. We moved all of this from a 140' tower to the Big Tower
> (now the omni is known as the Big High Loud Omni around here:) and found
> the high up omni overshoots all of Azle (the closest town) and touches down
> near Ft Worth. The big omni system is coming down this next month, we are
> going to re-use it on another community tower... we will be removing the
> amp, BTW, its radio will only have a 63mw TX from then on...
>
> -----Original Message-----
> From: Matthew G Brown [mailto:Wireless@...> Sent: Tuesday, July 24, 2001 9:24 PM
> To: isp-wireless@isp-wireless.com
> Subject: Re: First WIPOP questions
>
>
> Shouldnt good planning and antenna seperation & tilt almost remove the need
> for an AMP is almost all cases. If its range you need build tighter cells
> or build another POP.
>
> I am living proof that when you deploy with big amps you cant recycle the
> spectrum 1/2 as well as if you had no amps :))
>
> I still cant get my head around the idea of big amps and omnis .
>
> On Wednesday 25 July 2001 14:13, you wrote:
> > Ill one up that, In NW tarrant county I have a 15dbi comet 498+ feet in
>
> the
>
> > air on channel 1 broadcasting with a 500mw amp, its radio box is not more
> > than 10 feet away, so I get next to no coax attenuation.
> >
> > This is the 1st unit we placed on the tower. We also have 8 90d sectors
> > on the tower on 6 and 11, but that's another story... :)
> >
> > We resale lots of POPs that use the 15dbi omni, it is great for your
> > small startup ISP in a small town or rural area. It makes it cheep to
> > start, and it also makes a good backup till you have all 3 quad-groups on
> > a tower. I have seen problems in big city areas, too much noise... I then
> > use a 15dbi + 250mw amp on a TX only port, and a 8-12dbi on the receve
> > port.
> >
> > Big Omni antennas DO have their place on these systems, mainly on startup
> > systems...
> >
> > -----Original Message-----
> > From: Mia's Virtual Post Office [mailto:list@...> > Sent: Tuesday, July 24, 2001 7:39 PM
> > To: isp-wireless@isp-wireless.com
> > Subject: Re: First WIPOP questions
> >
> > Roger Boggs said:
> > >Uh-oh....another 15dBi omni mounted 130 feet in the air.
> >
> > What is it with you guys and the "15dbi omni"? The damn things work.
> > Kicks the pants off of that Mobile crap 9 dbi I had. We are using all
> > sectors now of course, for obvious reason.. But when you are just
> > starting out the 15dbi Comet kicks ass! Seriously.
> >
> >
> >
> > jer (jer@...)
> >
> > Bella Mia, Inc.
> > High Speed Wireless - www.dslone.com
> > Web Hosting and Colocation - www.hostdrive.com
> > Nation Wide Dialup 4 years and running - www.mia.net
> >
> >
> >
> > NetZero = What this company will "NET" --- "ZERO"
> >
> >
> >
> >
> >
>
>
>
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