Amplifiers are well know to introduce noise into the mix. I am going to
go horizontal and hopefully some of the noise will vanish (5db or so).
George
----- Original Message -----
From: "Bob Hrbek" <bhrbek@jagwireless.com>
To: <karlnet@WISPNotes.com>
Sent: Thursday, November 14, 2002 2:20 AM
Subject: Re: [Karlnet] SNR at base?
> geesh... -75 noise? try changing channels!
> ----- Original Message -----
> From: "George Minich" <gminich@toshiba.ca>
> To: <karlnet@WISPNotes.com>
> Sent: Wednesday, November 13, 2002 8:11 PM
> Subject: Re: [Karlnet] SNR at base?
>
>
> > To all that have asked: I am using a 19 dbi grid on the satellite
that
> is
> > about 1.5 miles from the base. The base antenna is a 12dbi Tiltek with
> 120
> > degree coverage. The noise hovers in the -75db region. This seems a
bit
> > high however I am using an amp. The client side has a 35 to 40db SNR
and
> > typically sees noise in the -90db region. I think I may be in a high
> noise
> > area. I sometimes see the noise dip down to -82db for 10 to 20 seconds
at
> a
> > time and then back up to -75. I am going to replace the vertical sector
> > with a horizontal model. I do manage a 290Kbyte up/download with this
> > config so it can't be that bad.
> >
> >
> > Someone had mentioned that I should use an 18dbi patch at the
satellite.
> > Do patches usually "throw" the signal better? I am just waiting for
> another
> > person to lite-up a 2.4Ghz telephone!
> >
> > George
> >
> > ----- Original Message -----
> > From: "Bob Hrbek" <bhrbek@jagwireless.com>
> > To: <karlnet@WISPNotes.com>
> > Sent: Tuesday, November 12, 2002 11:54 PM
> > Subject: Re: [Karlnet] SNR at base?
> >
> >
> > > sounds kind of weak for an amped signal. Are you using an amp at the
AP
> > as
> > > well? But what distance are we talking about here...what do the RF
> calcs
> > > say and what is the noise floor?
> > >
> > >
> > > ----- Original Message -----
> > > From: "George Minich" <gminich@toshiba.ca>
> > > To: <karlnet@WISPNotes.com>
> > > Sent: Tuesday, November 12, 2002 10:29 PM
> > > Subject: [Karlnet] SNR at base?
> > >
> > >
> > > > Would you guys consider a 19db SNR at the base of an amped setup a
> > good
> > > > SNR? Some customers further out have a 15 to 17db. This seems low,
> but
> > > is
> > > > about the best I was able to score. This is through the use of
19dbi
> > > grids
> > > > at the satellite end. What do you guys typically see for base SNR
if
> > your
> > > > base is amped?
> > > >
> > > > Thanks
> > > >
> > > > George
> > > >
> > > > ----- Original Message -----
> > > > From: "Demarc (tony) 908-996-7995" <tonylist@wwwbiz.com>
> > > > To: <karlnet@WISPNotes.com>
> > > > Sent: Tuesday, November 12, 2002 10:57 PM
> > > > Subject: RE: [Karlnet] KN Throughput
> > > >
> > > >
> > > > > John
> > > > >
> > > > > You can do this with two AP-1000 and good LOS and RF level to
about
> to
> > > > > about 5Mb. With a little tweaking to get it optimal performance.
> Email
> > > > > me off list and we can go thought the details.
> > > > >
> > > > > Sincerely
> > > > > Tony Morella
> > > > > Demarc Technology Group
> > > > > Office: 908-996-7995
> > > > > Cell: 908-246-9170
> > > > > Fax: 908-847-0202
> > > > > email: tony@demarctech.com
> > > > > http://www.demarctech.com
> > > > > Open Chat Server http://www.demarctech.com:8000
> > > > > Yahoo IM: tonymorella
> > > > > Wireless Solution Provider
> > > > >
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: karlnet-admin@WISPNotes.com
> > > > > > [mailto:karlnet-admin@WISPNotes.com] On Behalf Of John Maxwell
> > > > > > Sent: Tuesday, November 12, 2002 8:26 PM
> > > > > > To: karlnet@WISPNotes.com
> > > > > > Subject: [Karlnet] KN Throughput
> > > > > >
> > > > > >
> > > > > > Anyone out there know the actual throughput that we can get
> > > > > > on a KN TC PtP link? To this point, I've only seen about
> > > > > > 2mbps at the most. I understood that they could do about
5-6mbps.
> > > > > >
> > > > > > Any words of wisdom?
> > > > > >
> > > > > > _______________________________________________
> > > > > > Karlnet mailing list
> > > > > > Karlnet@WISPNotes.com
> > > > > > http://lists.wispnotes.com/mailman/listinfo/ka> rlnet
> > > > > >
> > > > >
> > > > > _______________________________________________
> > > > > Karlnet mailing list
> > > > > Karlnet@WISPNotes.com
> > > > > http://lists.wispnotes.com/mailman/listinfo/karlnet
> > > > >
> > > > >
> > > >
> > > > _______________________________________________
> > > > Karlnet mailing list
> > > > Karlnet@WISPNotes.com
> > > > http://lists.wispnotes.com/mailman/listinfo/karlnet
> > > >
> > >
> > > _______________________________________________
> > > Karlnet mailing list
> > > Karlnet@WISPNotes.com
> > > http://lists.wispnotes.com/mailman/listinfo/karlnet
> > >
> > >
> >
> > _______________________________________________
> > Karlnet mailing list
> > Karlnet@WISPNotes.com
> > http://lists.wispnotes.com/mailman/listinfo/karlnet
> >
>
> _______________________________________________
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