[Antennas] Dipole Matching problema

[Mac McCullough]

Kudos Jack, many thanks for the knowledge sharing and even more for the
extra effort to write this up and into a easy read format...  thank you
mac/mc



Located 46 miles due North of the Alamo, and 121 miles due South of the
Western White House.   see my website at  www.collinsandharrisradios.com
----- Original Message ----- 
From: "Jack Painter" <223bthp at cox.net>
To: "Antennas Reflector List" <antennas at mailman.qth.net>
Sent: Saturday, October 30, 2004 11:52 PM
Subject: Re: [Antennas] Dipole Matching problema


> Bob wrote:
> > personal thing, and you have to do what's best in YOUR case. (I don't
> think
> > it makes a damn bit of difference!  If you get a direct strike from
> > lightning, nothing less than a completely professional installation of >
> > $10000 in lightning protection equipment is going to save your stuff,
> > anyway.)
>
> Hi Bob (continuing slightly off-topic from the California station who
> probably doesn't experience much lightning - but your advice is always
> great)
>
> I estimated my costs at about $6,600 for all weather ops, but that also
> includes a 5kw gen-set, deep cell batts, chargers and UPS. Except for the
> backup power which I already had, the entire lightning protection system
was
> completed on July 7, 2004, so the costs are current. Five minutes after
the
> electricians cleaned up and left, the most high-intensity electrical storm
> anybody remembers hit my part of Virginia Beach, with over 1,000 nearby
> strikes. Two strikes were on trees within 30' of my antennas and hundreds
> were "close". By the end of summer, another 3 strikes within 100' had
> occurred, that I knew of. Pretty safe to say that the surge protection
> design for AC power and coaxial entry points was well done. Hopefully I
will
> never know if I'm really protected from a direct strike, but that was the
> design anyway.
>
> I cracked up at your comment about witchcraft and bad advice. I probably
> read a thousand pages of bad amateur advice, and lent my ears to hours of
> real sages in the amateur community  ;-). But I was fortunate to have the
> donated professional engineering services of a fellow-boater who knew this
> was coast guard work. He just wouldn't take my money, but I am convinced
> after a year of studying this, that his was the most important, and easily
> worth the 10% of project cost that they typically earn.
>
> Here is the website of this project, with heavily opinionated comments
about
> the evils of standard MOV power strips. I have personal knowledge of many
> stations who lost everything while using them. Of course they did other
> things wrong too, but I think there is enough scientific evidence for
radio
> operators to ban such devices from their property.
>
> http://members.cox.net/pc-usa/station/grounding.htm
>
> 73,
> Jack Painter
>
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