Towertalk
[Top] [All Lists]

Re: [TowerTalk] Measurement errors and power line taps. Was,AL-80 Power

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Measurement errors and power line taps. Was,AL-80 Power Taps...
From: "James M. Daly" <punk_itup@yahoo.com>
Date: Mon, 23 Jul 2007 00:26:56 -0700 (PDT)
List-post: <mailto:towertalk@contesting.com>
I do apologies for being off-topic, my only excuse is
to claim ignorance and beg everyones pardon.

For the record my meter claims an accuracy of +/- 2%
on VAC.

Peace
James - AD1L

--- Jim Jarvis wrote:

> Have privately commented to AD1L that I would go to
> the
> middle tap, to start.  The 240v tap is the most
> aggressive,
> resulting in the highest Ep & Eg.  
> 
> While this isn't relevant to antennas, the
> discussion IS relevant 
> to measurement, and there is a comment that bears
> making.
> 
> The DMM he's using probably has an AC accuracy of
> +/- 3-5%.
> That is, +/- 7-12V error @ 240V.  We're discussing
> power grid variations
> of between 0.8 and 3%....  Anybody see a disconnect
> here?
> 
> N2EA
> Jim Jarvis, President
> The Morse Group, LLC



       
____________________________________________________________________________________Ready
 for the edge of your seat? 
Check out tonight's top picks on Yahoo! TV. 
http://tv.yahoo.com/
_______________________________________________



_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk

<Prev in Thread] Current Thread [Next in Thread>