[time-nuts] GPS Antenna Grounding/Lightning protection.

Scott McGrath scmcgrath at gmail.com
Mon Jun 18 22:27:28 EDT 2018

Also see this


Content by Scott
Typos by Siri

On Jun 18, 2018, at 5:51 PM, Charles Steinmetz <csteinmetz at yandex.com> wrote:

Graham wrote:

> If you want to protect your installation from lightening, then there is a
> body of information that has been developed within the cellular industry
> that allows a properly installed cellular base site to take a direct hit
> and continue operating.
> An example of what they do is documented in "Motorola R56 2005 manual.pdf"
> Google that term to download the document.

Oz and Bill also provided good information.

PolyPhaser is the generally-accepted gold standard for lightning protection, and has many technical notes available.

Tisha Hayes has a big fat folder full of good stuff relating to "Grounding Surge and Filtering" at her dropbox site, and another one full of "Transient Protection Documents."  See:


Best regards,


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