Let me caution about grounding. Unless your ground is a very good one,
connecting your disconnected coaxes to ground may be actually connecting
them to the lightning source directly. You must have an excellent
ground if you are going to connect to it for protection.
Carl Moreschi N4PY
121 Little Bell Dr.
Hays, NC 28635
www.n4py.com
On 9/10/2011 1:52 AM, Richards wrote:
> It is important to ground those disconnected coax cables in the shack...
> like using the ground buss Stuart mentions... as I have seen the damage
> an arc from the end of a disconnected coax plug can do.
>
> For example, it happened at my friend's SW listening post. He heard
> thunder from an approaching storm while listening to the radio, and
> quickly started disconnecting his radios, etc., and it struck his
> antenna before he could finish the task -- the arc blew across his desk,
> scorching the desk top, and into one of his radios. He said it was
> awesome and scary and scorched the desk, toasted the radio, and
> adversely affected some other stuff (phone, calculator, computer, etc.)
> while it arced.
>
> Seeing the aftermath, I am convinced Stuart is right... you gotta ground
> out the loose, disconnected coax or it could arc and cause much damage
> as if it were connected. Although he is only an SWL, I doubt there is
> any difference between a receiving antenna and a transmitting antenna in
> this matter.
>
> ------------------
> Happy Trails.
> ======================= Richards / K8JHR =========================
>
> On 9/9/2011 21:06, Carl Moreschi wrote:
>> Another thing to remember to disconnect when a storm is coming is the
>> phone line. I draw an imaginary circle around all my stuff on the
>> operating bench and disconnect everything that crosses that line. This
>> makes my entire shack isolated from the outside world.
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