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Re: [TenTec] RF Ground

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] RF Ground
From: Jim Brown <k9yc@audiosystemsgroup.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 04 Apr 2009 22:25:21 -0700
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
shristov wrote:
> An arbitrary point can be taken as a potential reference.
>
> The choice itself has no physical consequences.
> It's just a notational convenience.
Yes and no. When we write equations and draw equivalent circuits, we can 
certainly pick any point we wish as a reference. BUT -- mother nature 
does care about our equations, or how we talk about or try to understand 
the laws of physics. We can CALL earth a reference point, and it might 
be OUR reference point, but it may not be mother nature's reference 
point.  )


73,

Jim Brown K9YC
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