[Amps] Cool Amp Silver Plating

[peter chadwick]

Whether it's worthwhile electrically depends on the frequency. At 144MHz, the skin depth is 0.2 mil (0.0002 inch) and you need about 5 skin depths to keep 99% of the current in the silver, or about 1 mil i.e. 0.001 inch. At 1.8 MHz, you need about 0.009 inches for 5 skin depths....

But it looks a lot nicer than oxidised copper.

73

Peter G3RZP

========================================
 Message Received: Feb 28 2014, 03:48 PM
 From: "MU 4CX250B" <4cx250b at miamioh.edu>
 To: "Fuqua, Bill L" <wlfuqu00 at uky.edu>
 Cc: "amps at contesting.com" <amps at contesting.com>
 Subject: Re: [Amps] Cool Amp Silver Plating
 
 I've used Cool-Amp powder for many years. It works fine, is easy to
 use. Seems non-toxic, although I always wear gloves. No ventilation
 needed. I think the coating is thinner electroplated silver.
 73,
 Jim w8ZR
 
 Sent from my iPhone
 
 > On Feb 28, 2014, at 8:27 AM, "Fuqua, Bill L" <wlfuqu00 at uky.edu> wrote:
 >
 > Take a look at this.
 > http://www.saltlakemetals.com/SilverChloridePlating1.htm
 > 73
 > Bill wa4lav
 >
 > ________________________________________
 > From: Amps [amps-bounces at contesting.com] on behalf of Hardy Landskov [n7rt at cox.net]
 > Sent: Friday, February 28, 2014 9:42 AM
 > To: amps at contesting.com
 > Subject: [Amps] Cool Amp Silver Plating
 >
 > All,
 > Has anyone used this power? If so, what is your opinion/facts of how your project turned out? Any special precautions needed?
 > Thanks ahead of time.
 > 73 Hardy N7RT
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