[BC] Bay spacing

Steve Michaels panamasteve at gmail.com
Tue Feb 21 13:01:36 CST 2012


Doesn't seem to be that revolutionary--I remember that design from the 11m days

http://www.bellscb.com/products/antennas/Sirio/Manuals/Id-041_06-03-2009.pdf 

On Tue, Feb 21, 2012 at 10:56 AM, Alex Hartman <goober at goobe.net> wrote:
>Not sure how applicable this is for you, and other more RF intensive
>folk might understand it better than I, but i got one of these for my
>backup site with a Nautel VS1 plugged into it. 1kW in and it gets
>about 2/3 of my main coverage with 5kW of input into a 4 bay vertical
>at 1/2 the height. Of course i don't get nearly the building
>penetration as my main rig does, but it certainly does the trick to
>keep me on the air.

>http://lpfmantenna.com/dominator.html

>I put it on top of the penthouse of a dorm building on campus, which
>is about 188 feet AGL. The RF exposures at full power don't even touch
>the roofline of the building, they're about 20 feet over the side, so
>"human exposure limits" are well within tolerances.

>--
>Alex Hartman




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