[TenTec] TT 940 Power Supply

[R. Eric Sluder via TenTec]

Okay, gotcha... 

-Eric
W9WLW

> On Sep 2, 2014, at 2:05 PM, Robert <rmcgraw at blomand.net> wrote:
> 
> Well I didn't mean to imply "use a solid wire".   Should have said "solid ground".    In other words the DC negative, as most seem to think, is not adequate for ground connection between the radio and power supply ground. 
> 
> 73
> Bob K4TAX
> 
> 
> Sent from my iPhone
> 
>> On Sep 2, 2014, at 12:20 PM, "R. Eric Sluder via TenTec" <tentec at contesting.com> wrote:
>> 
>> Ya got me curious Bob; why a "solid" wire?
>> 
>> -Eric
>> W9WLW
>> 
>>> On Sep 2, 2014, at 1:13 PM, "Bob McGraw - K4TAX" <RMcGraw at Blomand.net> wrote:
>>> 
>>> Do you have a solid ground wire between the supply and the radio?  If not the radio is about 1/8 to 1/4 volt above DC ground.
>>> 
>>> You haven't chopped the 3rd pin ground have you?   For safety reasons, it must be in place.
>>> 
>>> Some have reported with the supply on the left it makes noise, on the right it does not.  I may have my left's and right's reversed.  Anyway, I think you get the idea.
>>> 
>>> The ONLY noise I have from a switching supply is from the charger for my laptop computer.  I've purchased three different ones.  All produce noise.
>>> 
>>> As to the station supply, I use Astron SS-30M's or SS-25's.  Have three and all are quiet.
>>> 
>>> 73
>>> Bob,  K4TAX
>>> 
>>> 
>>> 
>>> 
>>> ----- Original Message ----- From: "denton sprague" <denton at oregontrail.net>
>>> To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
>>> Sent: Tuesday, September 02, 2014 10:43 AM
>>> Subject: Re: [TenTec] TT 940 Power Supply
>>> 
>>> 
>>> Well darn…
>>> my 940 has a traveling growling noise on 80 meters….wonder if there is an easy fix?
>>> Otherwise will sell the darn thing….
>>>> On Aug 29, 2014, at 11:36 AM, Ralph Arnold <rea.papaof10 at gmail.com> wrote:
>>>> 
>>>> I'm interested in PS for my Pegasus will it handle it and how much $$ 73
>>>> KD8BTQ  Ralph
>>>> 
>>>> 
>>>> On Fri, Aug 29, 2014 at 1:17 PM, Charles J. Nagel <cnagel at sbcglobal.net>
>>>> wrote:
>>>> 
>>>>> I have four TT switching power supplies I use for various rigs including
>>>>> Ten-Tec and Elecraft. Never a noise issue. One is a recently acquired 940,
>>>>> a perfect match for the Omni VII, in my opinion.
>>>>> 
>>>>> Charles, K0CW
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