The gap between 6 and 7 is used by marine air search radar. If you are on the coast, you wouldn't want to be there.
Phil On Sat, Sep 25, 2010 at 7:44 PM, Brian Webster <bwebs...@wirelessmapping.com > wrote: > I would use the interactive map rather than search by zip code. With the > interactive map you can zoom in to the area of interest and then turn the > specific channel contour maps on and off at will. Much easier to visualize > the availability than looking at that report. There is still some question > in my mind about certain channels and the adjacent protections. For instance > there is a jump in frequency between channels 13 and 14 of over 250 MHz. It > would seem silly to have to protect adjacent channels between those two. > There is a similar situation between channel 6 and 7. > > > > I’m working on a revised Google Earth file that is similar to the spectrum > bridge web site. I’ll post it when I am done. There map server seems to be > loaded pretty heavily and slow to respond lately J > > > > > > Thank You, > > Brian Webster > > www.wirelessmapping.com > > www.Broadband-Mapping.com > > > > *From:* wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] *On > Behalf Of *David Hannum > *Sent:* Saturday, September 25, 2010 9:14 PM > *To:* WISPA General List > *Subject:* Re: [WISPA] Additional TVWS factors > > > > Is anyone consulting the database search tool on the Spectrum Bridge > website? Is it of any value? Put in a zip code and it shows you all the > channels and what is and is not available, and has a legend which includes > the reason for any reserved ones. Any comment on how accurate and/or > valuable this is? > > > > Dave Hannum > > New Era Broadband, LLC > > > > > > > > On Sat, Sep 25, 2010 at 9:07 PM, Fred Goldstein <fgoldst...@ionary.com> > wrote: > > At 9/25/2010 08:43 PM, BlairD wrote: > > 3 and 4 are reserved... where did you get this from??? > > WWMT 3 was high power analog in Kalamazoo, MI > > WDIV 4 was high power analog in Detroit, MI > > There were many others... > > > Yes, but because they were adjacent, only one of the two was in use in any > given market. Therefore it was a safe bet that one of the two would be > "white", and thus usable for the analog feed to a TV set. So devices with > analog TV output, ranging from VCRs to game consoles, usually have a switch > to choose between channels 3 and 4. > > -- > Fred Goldstein k1io fgoldstein "at" ionary.com > ionary Consulting http://www.ionary.com/ > +1 617 795 2701 > > > > > > -------------------------------------------------------------------------------- > 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/ >
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