That's good. Do you have a url or two? Blair Davis wrote: > And those are available already. the CATV industry has had them, in > 75ohm, for a long time. > > One thing I really hope for this gear is that the vendors decide to > make 75ohm gear. There is a HUGE amount of stuff already out there > that we can use if they do. > > Jack Unger wrote: >> That's a very good idea on the transmit side. Remember that our AP >> receivers will also need a VERY sharp filter ($$$) to keep the adjacent >> channel TV signal from overloading it and reducing the reception range >> to ****. >> >> jack >> >> >> Chuck McCown - 3 wrote: >> >>> For adjacent channel use, we don't have to use a 6 MHz channel. We could >>> use 5 or 4 or whatever it takes to make it work. >>> ----- Original Message ----- >>> From: "Jack Unger" <[EMAIL PROTECTED]> >>> To: "WISPA General List" <wireless@wispa.org> >>> Sent: Wednesday, November 19, 2008 1:32 PM >>> Subject: Re: [WISPA] TV Whitespaces >>> >>> >>> >>> >>>> Directional antennas and other interference-avoidance techniques will >>>> help but for mass-market use (which is how the vendors visualize the >>>> TVWS) I suspect that it's going to be a long time before 1st adjacent >>>> channel use will be practical. Still, gaining access to most of the >>>> non-1st adjacent channels white space is still a big "win" for the WISP >>>> industry. >>>> >>>> Chuck McCown wrote: >>>> >>>> >>>>> Hopefully forward error correction and directional antennas will make it >>>>> possible. >>>>> >>>>> ----- Original Message ----- >>>>> From: "Jack Unger" <[EMAIL PROTECTED]> >>>>> To: "WISPA General List" <wireless@wispa.org> >>>>> Sent: Wednesday, November 19, 2008 1:19 PM >>>>> Subject: Re: [WISPA] TV Whitespaces >>>>> >>>>> >>>>> >>>>> >>>>> >>>>>> Anything's possible but look at the shape of a DTV waveform and compare >>>>>> it to the shape of an OFDM broadband wireless signal. Now look at the >>>>>> space between those two waveforms if they are on adjacent channels. It's >>>>>> kind of like putting two bricks side by side with no space in between. >>>>>> Who is going to interfere with who the most? Looks like the DTV signals >>>>>> will interfere with our AP receivers AND our CPE transmitters will >>>>>> interfere with nearby television receivers. Of course, I could be >>>>>> wrong.... What's your take on it? >>>>>> >>>>>> Chuck McCown wrote: >>>>>> >>>>>> >>>>>> >>>>>>> Perhaps once TVWS gets used and it proves a success, then they will >>>>>>> open >>>>>>> up >>>>>>> adjacent channels. >>>>>>> Once they do that there will be holes everywhere. >>>>>>> >>>>>>> ----- Original Message ----- >>>>>>> From: "Jack Unger" <[EMAIL PROTECTED]> >>>>>>> To: "WISPA General List" <wireless@wispa.org> >>>>>>> Sent: Wednesday, November 19, 2008 12:58 PM >>>>>>> Subject: Re: [WISPA] TV Whitespaces >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>>> Joe, >>>>>>>> >>>>>>>> The White Spaces are the unused television channels. In most major >>>>>>>> metro >>>>>>>> areas, many of the channels are in use by television broadcasters and >>>>>>>> other licensed users. Outside of major metro areas, there will be >>>>>>>> unused >>>>>>>> channels available that you can use. In general, the more rural you >>>>>>>> are, >>>>>>>> the more channels will be available. >>>>>>>> >>>>>>>> jack >>>>>>>> >>>>>>>> >>>>>>>> Joe Laura wrote: >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>>> Am I hearing correctly that this new space can only be utilized in >>>>>>>>> rural >>>>>>>>> areas? Not for Citys like New Orleans? TIA >>>>>>>>> Joe Laura >>>>>>>>> Superior Alarm/Wireless >>>>>>>>> New Orleans,La. >>>>>>>>> www.superior1.com >>>>>>>>> ----- Original Message ----- >>>>>>>>> From: Blair Davis >>>>>>>>> To: WISPA General List >>>>>>>>> Sent: Monday, November 17, 2008 5:47 PM >>>>>>>>> Subject: Re: [WISPA] TV Whitespaces >>>>>>>>> >>>>>>>>> >>>>>>>>> Ubquity? Some kind of mini-pci card? >>>>>>>>> >>>>>>>>> Charles Wyble wrote: >>>>>>>>> Mike Hammett wrote: >>>>>>>>> Now that TV whitespaces have been approved for our use, let's hear >>>>>>>>> from >>>>>>>>> the vendors. When, how much, and what will you do with it? >>>>>>>>> >>>>>>>>> >>>>>>>>> Indeed! >>>>>>>>> >>>>>>>>> Who would the likely vendors in this space be? >>>>>>>>> >>>>>>>>> Should we put an RFP together and send it around? I sure want >>>>>>>>> answers >>>>>>>>> to your questions as well. >>>>>>>>> >>>>>>>>> >>>>>>>>> Ladies and gents: I haven't read all of the published information >>>>>>>>> yet, >>>>>>>>> but this is the second greatest battle we have come across (second >>>>>>>>> only >>>>>>>>> to having unlicensed available in the first place) and we have won! >>>>>>>>> Congrats. It appears the portable devices are held to 100 mw of >>>>>>>>> power, >>>>>>>>> while we have 4 watts (which is pretty much what we have everywhere >>>>>>>>> else). Four watts at these frequencies will carry! >>>>>>>>> >>>>>>>>> >>>>>>>>> Yep! >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> -------------------------------------------------------------------------------- >>>>>>>>> WISPA Wants You! Join today! >>>>>>>>> http://signup.wispa.org/ >>>>>>>>> -------------------------------------------------------------------------------- >>>>>>>>> >>>>>>>>> WISPA Wireless List: wireless@wispa.org >>>>>>>>> >>>>>>>>> Subscribe/Unsubscribe: >>>>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>>>>> >>>>>>>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> ------------------------------------------------------------------------------ >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> -------------------------------------------------------------------------------- >>>>>>>>> WISPA Wants You! Join today! >>>>>>>>> http://signup.wispa.org/ >>>>>>>>> >>>>>>>>> -------------------------------------------------------------------------------- >>>>>>>>> >>>>>>>>> WISPA Wireless List: wireless@wispa.org >>>>>>>>> >>>>>>>>> Subscribe/Unsubscribe: >>>>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>>>>> >>>>>>>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>>>>>>> >>>>>>>>> >>>>>>>>> -------------------------------------------------------------------------------- >>>>>>>>> WISPA Wants You! Join today! >>>>>>>>> http://signup.wispa.org/ >>>>>>>>> -------------------------------------------------------------------------------- >>>>>>>>> >>>>>>>>> WISPA Wireless List: wireless@wispa.org >>>>>>>>> >>>>>>>>> Subscribe/Unsubscribe: >>>>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>>>>> >>>>>>>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>> -- >>>>>>>> Jack Unger - President, Ask-Wi.Com, Inc. >>>>>>>> Serving the Broadband Wireless Industry Since 1993 >>>>>>>> Cisco Press Author - "Deploying License-Free Wireless WANs" >>>>>>>> WISPs - Do you know where your customers are? >>>>>>>> For wireless coverage mapping see http://www.ask-wi.com/mapping >>>>>>>> FCC Lic. #PG-12-25133 LinkedIn Profile >>>>>>>> <http://www.linkedin.com/in/jackunger> >>>>>>>> Phone 818-227-4220 Email <[EMAIL PROTECTED]> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> -------------------------------------------------------------------------------- >>>>>>>> WISPA Wants You! Join today! >>>>>>>> http://signup.wispa.org/ >>>>>>>> -------------------------------------------------------------------------------- >>>>>>>> >>>>>>>> WISPA Wireless List: wireless@wispa.org >>>>>>>> >>>>>>>> Subscribe/Unsubscribe: >>>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>>>> >>>>>>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> -------------------------------------------------------------------------------- >>>>>>> WISPA Wants You! Join today! >>>>>>> http://signup.wispa.org/ >>>>>>> -------------------------------------------------------------------------------- >>>>>>> >>>>>>> WISPA Wireless List: wireless@wispa.org >>>>>>> >>>>>>> Subscribe/Unsubscribe: >>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>>> >>>>>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> -- >>>>>> Jack Unger - President, Ask-Wi.Com, Inc. >>>>>> Serving the Broadband Wireless Industry Since 1993 >>>>>> Cisco Press Author - "Deploying License-Free Wireless WANs" >>>>>> WISPs - Do you know where your customers are? >>>>>> For wireless coverage mapping see http://www.ask-wi.com/mapping >>>>>> FCC Lic. #PG-12-25133 LinkedIn Profile >>>>>> <http://www.linkedin.com/in/jackunger> >>>>>> Phone 818-227-4220 Email <[EMAIL PROTECTED]> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -------------------------------------------------------------------------------- >>>>>> WISPA Wants You! Join today! >>>>>> http://signup.wispa.org/ >>>>>> -------------------------------------------------------------------------------- >>>>>> >>>>>> WISPA Wireless List: wireless@wispa.org >>>>>> >>>>>> Subscribe/Unsubscribe: >>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>> >>>>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>>>> >>>>>> >>>>>> >>>>>> >>>>> -------------------------------------------------------------------------------- >>>>> WISPA Wants You! Join today! >>>>> http://signup.wispa.org/ >>>>> -------------------------------------------------------------------------------- >>>>> >>>>> WISPA Wireless List: wireless@wispa.org >>>>> >>>>> Subscribe/Unsubscribe: >>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>> >>>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>>> >>>>> >>>>> >>>>> >>>>> >>>> -- >>>> Jack Unger - President, Ask-Wi.Com, Inc. >>>> Serving the Broadband Wireless Industry Since 1993 >>>> Cisco Press Author - "Deploying License-Free Wireless WANs" >>>> WISPs - Do you know where your customers are? >>>> For wireless coverage mapping see http://www.ask-wi.com/mapping >>>> FCC Lic. #PG-12-25133 LinkedIn Profile >>>> <http://www.linkedin.com/in/jackunger> >>>> Phone 818-227-4220 Email <[EMAIL PROTECTED]> >>>> >>>> >>>> >>>> >>>> >>>> -------------------------------------------------------------------------------- >>>> WISPA Wants You! Join today! >>>> http://signup.wispa.org/ >>>> -------------------------------------------------------------------------------- >>>> >>>> WISPA Wireless List: wireless@wispa.org >>>> >>>> Subscribe/Unsubscribe: >>>> http://lists.wispa.org/mailman/listinfo/wireless >>>> >>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>> >>>> >>>> >>> -------------------------------------------------------------------------------- >>> WISPA Wants You! Join today! >>> http://signup.wispa.org/ >>> -------------------------------------------------------------------------------- >>> >>> WISPA Wireless List: wireless@wispa.org >>> >>> Subscribe/Unsubscribe: >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >>> Archives: http://lists.wispa.org/pipermail/wireless/ >>> >>> >>> >>> >> >> > > ------------------------------------------------------------------------ > > > > -------------------------------------------------------------------------------- > WISPA Wants You! 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-- Jack Unger - President, Ask-Wi.Com, Inc. Serving the Broadband Wireless Industry Since 1993 Cisco Press Author - "Deploying License-Free Wireless WANs" WISPs - Do you know where your customers are? For wireless coverage mapping see http://www.ask-wi.com/mapping FCC Lic. #PG-12-25133 LinkedIn Profile <http://www.linkedin.com/in/jackunger> Phone 818-227-4220 Email <[EMAIL PROTECTED]> -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/