[TenTec] station power supplies

Jerry Haigwood jerry at w5jh.net
Fri Sep 7 15:44:13 EDT 2012


Thank goodness Westinghouse beat out Edison on that one...
Jerry W5JH

-----Original Message-----
From: TenTec [mailto:tentec-bounces at contesting.com] On Behalf Of Jim Brown
Sent: Friday, September 07, 2012 2:36 PM
To: tentec at contesting.com
Subject: Re: [TenTec] station power supplies

On 9/7/2012 12:15 PM, chacuff wrote:
> istribute DC power through our homes for lighting and avoid the 
> inefficiencies in the crazy power supplies

Don't forget Ohm's Law.  The reason we use AC  for power distribution is
that it can be transformed to the voltage needed to keep wire loss low.  
Low voltage DC is fine if copper is free. :)

73, Jim K9YC
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