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Re: [RFI] Franklin Electric Sub Drive 150 RFI?

To: "rfi@contesting.com" <rfi@contesting.com>,"Rich Hallman - N7TR" <rich@n7tr.com>
Subject: Re: [RFI] Franklin Electric Sub Drive 150 RFI?
From: "Jim Brown" <jim@audiosystemsgroup.com>
Date: Sun, 09 Dec 2007 22:47:11 -0800
List-post: <mailto:rfi@contesting.com>

My guess is that the controller is a variable speed drive for the motor. That 
type of controller is well known as a nasty noise source. I've talked a bit 
about them in my RFI tutorial. It is worthy of your study. Much of the problem 
can be made significantly better or worse by installation. 



Jim Brown K9YC

On Sun, 9 Dec 2007 16:58:24 -0800, Rich Hallman -N7TR wrote:

>I have a Constant Pressure Well Pump Controller made by Franklin
>Electric Model SubDrive 150. I notice a lot of noise hash on the bands
>even when the pump runs...even with the unit just powered on I hear

>I was told that the Gould's BF30 is a much better unit by the Well
>Installers....But before I lay out another $1500 on a new controller, I
>wanted to see if anyone had experience with these controllers?


>Rich N7TR
>Telnet: dxc.n7tr.com N7TR DXCluster

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