As I said, ASTRON said:
1ST CHECK YOUR AC OUTLET GROUND IT MUST HAVE GOOD CONNECTION
2ND. MEASURE FROM THE -13.8V TERMINAL TO CHASSIS, IF NO DIRECT CONNECTION,
RUN A PIECE OF WIRE FROM -13.8V TERMINAL TO CHASSIS.
----- Original Message -----
From: "Richards" <jruing@ameritech.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Sunday, November 21, 2010 7:20 PM
Subject: Re: [TenTec] best power supply for Orion II and other items
> Gentlemen -
>
> 1) How I know if RF from my Omni VII was causing problems with my
> Astron RS-35M linear type power supply ? Would it show up as an
> anomalous readout on one or both meters? What if I had the model
> without any meters - how would one tell ?
>
> 2) Could RF be getting into it from other gear not even powered by it -
> say, by a 2 meter mobile used in the shack as a base rig for local
> repeater work?
>
> 3) How could one tell if a "current" (pun intended) Model RX-35M is
> grounded as described ? Is there an easy to identify spot on the power
> supply's schematic diagram ? (I am a rookie at this, but might be able
> to trace it with some local assistance or description here...) Or would
> one just contact Astron and ask ? (...which is easy enough, but I am
> trying to learn to use what info is already at hand...)
>
> Thanks in advance.
>
> ========================= James -- K8JHR ========================
>
>
> On 11/21/2010 4:47 PM, Mike Hyder -N4NT- wrote:
>
>> The 35 amp linear Astron supplies used a floating output....
>
> the Astron supply is good but if the negative
>> output post is not grounded to the cabinet/chassis then RF
> energy gets into the regulator circuitry...
>
>
>
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