[kwlug-disc] Grounding for antenna

[CrankyOldBugger]

If you need help shooting the grounding rod into the ground, just tie it to
my belief in the democratic system:  that'll sink it for you!



On 13 June 2014 13:29, Khalid Baheyeldin <kb at 2bits.com> wrote:

>
> Paul G,
>
> Thank you for the info.
>
> Do you recall where you got the grounding rod from?
>
> And where you rented the fence pounder from?
>
> Email from other thread below, in case someone browses by thread.
>
> On Fri, Jun 13, 2014 at 8:56 AM, Paul Gallaway <paul at gallaway.ca> wrote:
> My antenna was clamped to the mast with metal clamp which in turn is
> clamped to the tripod with more metal bits effectively bonding the
> three (same as your antenna to mast, mast to mast). The tripod bolted to
> wood frame of my roof so no direct path to earth other than the wire (or
> through my roof...). A heavy gauge copper wire is clamped to the mast using
> a grounding clamp [1], and then run to a grounding rod [2]. I seem to
> recall a separate screw tie the RG6 shielding (from the coax block [3]) to
> my mast clamp which allows for different gauge wires on the same block. My
> ground rod was a 10' (8'?) copper clad rod pounded into the ground - it
> will go faster with a post hammer. The length to ground from the antenna
> should be as short as possible - in my case I had to run 20ft of cable, in
> your case you can probably do it just about on top of your mast and use a
> very short wire.
>
> Save and Replay uses a 4 foot rod so maybe the 8-10 ft rods are
> overkill. They are also advocating 14 gauge wire for grounding which
> doesn't sound heavy enough to me (seems optimistic that any wire might
> carry "100's of thousands of volts" from lightning). The fence your antenna
> is strapped to will likely absorb a fair amount of the
> lightning strike as well which isn't a bad thing (where your house is
> the alternative). Sayal and Research Electronics (Orion?) may carry
> some of this stuff but you probably need to go hardware store for the
> grounding rod. Actually, I think 2 years ago Research Electronics did
> not have it so I found myself at the HD down the street anyway.
>
> [1] Something like this on your mast:
>
> http://www.homedepot.ca/product/1-2-in-1-in-ground-clamp-bronze-bag-of-1/910033
>
> [2] Something like this on the rod:
>
> http://www.homedepot.ca/product/ground-rod-clamp-bronze-5-8-in-3-4-in/910156
>
> [3]Something like this for the coax:
> http://overtheair.saveandreplay.com/HD_Antenna_Grounding.asp
> Seems HD also has the coax blocks so I would assume your favourite,
> near-by hardware/DIY store would likely have all the stuff above as
> well:
> http://www.homedepot.ca/product/grounding-block-dual-rg6-rg59/964991
>
> --
> Khalid M. Baheyeldin
> 2bits.com, Inc.
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