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Re: [Karlnet] SNR at base?

To: <karlnet@wispnotes.com>
Subject: Re: [Karlnet] SNR at base?
From: "Bob Hrbek" <bhrbek@jagwireless.com>
Reply-to: karlnet@WISPNotes.com
Date: Thu, 14 Nov 2002 01:20:12 -0600
List-post: <mailto:karlnet@WISPNotes.com>
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
> > > > >
> > > >
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> > > >
> > > >
> > >
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> > >
> >
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> >
> >
>
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