[time-nuts] Lightning arrestors for GPSDO antenna

Jim Lux jimlux at earthlink.net
Fri Oct 17 09:50:27 EDT 2014


On 10/17/14, 6:26 AM, Chris Albertson wrote:
> On Thu, Oct 16, 2014 at 7:51 PM, Dave M <dgminala at mediacombb.net> wrote:
>
>> Thanks, Chris.
>> I've done a bit or research on the subject, and think I have a reasonable
>> grip on the necessary steps.  I have an 8' ground rod driven into the
>> ground directly under the spot where my antennas mount.  #6 solid copper
>> from the rod to a heavy aluminum plate, where the arrestors will be
>> mounted.  A #6 solid copper wire from the plate to the antenna mounting
>> structure.
>
>
> About the only thing you left out is the interconnection between this new
> ground rod and the existing house ground.
>
> Sounds like you must live in Florida.  The best source of information is
> the lightening lab at University of FL.
>
> I've never read a good research backed paper on plastic v. metal conduit.

You can use metal conduit as the bonding conductor between grounding 
systems, for one thing.

> I bet it does matter.  I use iron pipe outdoors then after it gets indoors
> switch to plastic.  Practical reasons.  The flexible plastic conduit is
> just easier to use
>



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