[PSDR] Spectrum allocation for point-to-multipoint sectorized cell sites published
Bart Kus
me at bartk.us
Sun Feb 3 14:38:09 PST 2013
Hello,
I've just published the proposed PtMP spectrum usage for HamWAN cell
sites. It can be seen at the Spectrum Allocation
<https://www.hamwan.org/t/tiki-index.php?page=Spectrum+Allocation&structure=HamWAN>
page. Optimized for viewing @ 2560x1600. :) The point-to-point links
between cell sites will not be allocated/planned before hand, and don't
need to be published since no users will use those links.
Any objections/suggestions?
My biggest worry right now is when someone wants to use the ARC 34dBi
dish to link to a sector, but the dish's frequency response may suck
that high up. The 21dBi grids seem to only lose 3dB of gain from their
peak at the very top of the spectrum. Not awful. Have not yet measured
the 27dBi grids, but expect similar results.
One very important thing this plan does is identify the center working
frequency for the sector antennas as being 5.855GHz. That's the
frequency at which radiation pattern measurements should be made, and is
the very next task on my list.
--Bart
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