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Re: Counterpoise and MMC demise



Original poster: "robert & june heidlebaugh by way of Terry Fritz <teslalist-at-qwest-dot-net>" <rheidlebaugh-at-desertgate-dot-com>

Chris: When I worked at a NASA tracking site at 10,000 ft alt on top of a
limestone Mt we used a large counterpoise to provide a ground for all
systens. it was made like a large fish net with 4 ft squares over a mile
square area. The wire was 3/8 in copper . We grounded out towers and our
lightning rods to the net system. The limerstone Mt was a good insulator
with no ground water to conduct electricity. The counterpoise with its large
holes worked well even at radar frequencies providing us with a good ground.
We burned off 5/8 in diameter lightning rods at a rate of 6/mounth as we did
attract a lot of lightning.
    Robert  H
-- 


 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > Date: Thu, 19 Jun 2003 18:33:23 -0600
 > To: tesla-at-pupman-dot-com
 > Subject: RE: Counterpoise and MMC demise
 > Resent-From: tesla-at-pupman-dot-com
 > Resent-Date: Thu, 19 Jun 2003 18:48:35 -0600
 >
 > Original poster: "Jim Lux by way of Terry Fritz <teslalist-at-qwest-dot-net>"
 > <jimlux-at-earthlink-dot-net>
 >
 > I should think a combination of both.. The counterpoise serves as the
 > "other plate" of a capacitor formed between it and the topload.  From an
 > E-field standpoint, you want to have something that extends far enough out
 > to cover most of the flux.  From a losses standpoint you want to have low
 > impedance within the plate, so high "solidity" is important, although I
 > suspect that chicken wire (aviary netting) is more than solid enough.
 >
 > At 08:06 AM 6/19/2003 -0600, you wrote:
 >> Original poster: "Mudford, Chris by way of Terry Fritz
 >> <teslalist-at-qwest-dot-net>" <chris.mudford-at-agresearch.co.nz>
 >>
 >> Hi Josh
 >>
 >> What do you term "WAY WAY" bigger?  Do you consider it is surface area
 >> or sqaure area that is the determining factor?
 >>
 >> Cheers, Chris.
 >>
 >> -----Original Message-----
 >> From: Tesla list [mailto:tesla-at-pupman-dot-com]
 >> Sent: Thursday, 19 June 2003 2:12 p.m.
 >> To: tesla-at-pupman-dot-com
 >> Subject: RE: Counterpoise and MMC demise
 >>
 >>
 >> Original poster: "J Dow by way of Terry Fritz <teslalist-at-qwest-dot-net>"
 >> <jdowphotography-at-hotmail-dot-com>
 >>
 >> Hello Chris
 >> I have used my 2, 12/60nst coil with a SRSG 120bps, .069mfd(69nf)cap,
 >> coil
 >> with Wonderful performance on 3 occasions. In all three circumstances
 >> the
 >> counterpoise was WAY WAY bigger than my coil. If you use a small wimpy
 >> counterpoise then its like Dr. Res says, Your doomed.
 >> So use a BIG counterpoise and you'll see that you coil will Rip It Up!
 >>
 >> Good luck
 >> Read you later
 >> Josh
 >
 >
 >
 >