Jim,
Wow, what an incredible tower and location !
Bob
K6UJ
> On Sep 4, 2019, at 1:45 AM, Jim Brown <jim@audiosystemsgroup.com> wrote:
>
> On 9/3/2019 2:47 PM, RCM wrote:
>> Go here and download the R56 document.
>
> Note that 1) this is a procedural document for VHF/UHF repeater sites; 2)
> it's written for industrial budgets; 3) these sites are usually on
> mauntaintops, where soil conductivity is generally quite poor, 4) it's 99.9%
> about lightning protection; and 5) I'll bet it's got of lot of overkill to
> prevent any legal challenges.
>
> That said, lighting is a bad motha, and cares not a whit about any of the
> above. :) I haven't read the document, but the most important fundamentals
> are about BONDING EVERYTHING!
>
> I once had an HF station at a decommissioned AT&T Long Lines site Microwave
> on a mountaintop in Nor Cal that my friend owns, and I had the opportunity to
> study the documentation for station grounding (it was built in the '50s).
> This is an area with terrible soil conductivity, and it's all about bonding.
>
> The tower is about 150 ft tall, 32 ft square at the base, 24 ft square at the
> top, and originally had a bunch of BIG dishes and BIG feedline, some of which
> has been removed to make room for antennas for other systems.
>
> 73, Jim K9YC
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