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" <[email protected]> > 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. > > > > -- > > WISPA Wireless List: [email protected] > > > > Subscribe/Unsubscribe: > > http://lists.wispa.org/mailman/listinfo/wireless > > > > Archives: http://lists.wispa.org/pipermail/wireless/ > > -- > WISPA Wireless List: [email protected] > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ >
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