RE: [TowerTalk] static cat

[Bill Aycock <baycock@direcway.com>]

I am puzzled about the phrase "under threat of lawsuits." Who was 
threatening, who were they threatening, and what was the substance of the 
threats? You left us hanging.
Bill

At 02:49 PM 3/21/2004 +0000, you wrote:

> There are peer reviewed analysis of the claims and effectiveness of
> those 'brush' or 'porcupine' devices.  They have been shown to not work
> as described.  They may make a decent lightning rod as the sharp points
> can generate nice streamers to connect to the downward traveling
> lightning leader... thus the signs of 'high voltage activity'.  but they
> can not dissipate the charge buildup nor create an effective shield over
> a structure to prevent lightning.
>
> To quote John Anderson (our company's main lightning consultant and
> member of various ieee and cigre lightning committees over the years and
> author of many works on lightning protection of power systems and
> structures):
>
> <quote>
> Abdul M. Mousa, "The Applicability of Lightning Elimination Devices to
> Substations and Power Lines," IEEE Transactions on Power Delivery, Vol.
> 13, No. 4, Oct. 1998m pp. 1120-1127. Available from:
> abdul.mousa@bchydro.bc.ca)
>
> Paper was peer-reviewed by six reviewers under threat of lawsuits. Paper
> states that these devices do not work as the manufacturers claim.
>
> 1997 Report on Dissipation Arrays, funded by FAA, Naval Research Labs,
> NASA, and USAF
>
> The report, 274 pp., compiled by 17 scientists and engineers from around
> the world, provides no definitive physical or theoretical evidence that
> lightning dissipation arrays prevent lightning. The USAF presented
> photos showing the arrays being hit by lightning. Contact Mousa for more
> information.
> </quote>
>
> David Robbins K1TTT

Bill Aycock - W4BSG
Woodville, Alabama 


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