Agreed..

> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> Behalf Of Marlon K. Schafer
> Sent: Thursday, February 08, 2007 12:19 AM
> To: WISPA General List
> Subject: Re: [WISPA] TV white spaces
> 
> Well, either way, if it's an ap that talks to more than one client, it's
> max
> eirp is 4 watts.  36dB
> laters,
> marlon
> 
> ----- Original Message -----
> From: "Chadd Thompson" <[EMAIL PROTECTED]>
> To: "WISPA General List" <wireless@wispa.org>
> Sent: Wednesday, February 07, 2007 10:00 PM
> Subject: RE: [WISPA] TV white spaces
> 
> 
> > Sorry,
> >
> > The signal was in the -70's not right at -70. It was mid to upper -70's
> > from
> > what I figured up they were putting out around 43dBm EIRP. I could also
> > see
> > the SSID of the AP so I know what town it was located in and it was/is a
> > sectorized POP that would be around 30dBm radio input to a 14-15dBi
> > antenna
> > or a 26dBm radio input to a 17-18dBi antenna.
> >
> > Thanks,
> > Chadd
> >
> >>
> >> That's 4 watts.  At 39 dB you'd be at 8 watts.  At 40 it would be
> >> around 10
> >> watts.
> >>
> >> Are you SURE that the remote tower you're seeing at -70 is really
> >> 20 miles
> >> out?  To pick that up with a -70 rssi from a 9 dB antenna would
> >> require an
> >> amazing amount of power.
> >>
> >> It was very common for a long time to see Hyperlink and a couple of
> other
> >> amp manufacturers sell 1 watt amps (30 dB) and 15 dB omni antennas.
> Even
> >> with that config I show an rssi of -76.  I guess they could be
> >> running a 2
> >> watt amp and a 18 dB panel of some kind.  But I'd find that very
> unusual.
> >
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