John:

    Can you tell me exactly where to look for it, and what to look for?

73 from Tom Behler:  KB8TYJ

----- Original Message ----- 
From: "John Miller" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, February 08, 2011 11:30 PM
Subject: Re: Gary's Post Made Me Think Again


On the RS-35, the grounding stud is underneath.
----- Original Message ----- 
From: "tom behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, February 08, 2011 10:08 PM
Subject: Re: Gary's Post Made Me Think Again


>  Mike.
>
> I just checked my Astron RS35 supply, and there is no grounding bolt as
> you
> suggest.  On the very left-hand back portion of the supply, there are the
> DC
> power connections at the top, followed by a fuse, and finally, there's the
> AC power cord connection.
>
> When things shut down as I key up, it still sounds to me like the power
> supply is on--in other words, the hum doesn't go away, as I think it
> would,
> if it had shut down completely.  This is why I'm thinking the floating
> ground might have something to do with the rig runner.
>
> But again, I can't be sure.
>
> So, keep on speculating, and before too long, I'll have dozens of things
> to
> try.
>
> 73 from Tom Behler:  KB8TYJ
>
>
> ----- Original Message ----- 
> From: "Mike Duke, K5XU" <[log in to unmask]>
> Tco: "Tom Behler" <[log in to unmask]>
> Sent: Tuesday, February 08, 2011 8:56 PM
> Subject: Gary's Post Made Me Think Again
>
>
> Some, but not all, of the PS35 Power supplies, have a grounding bolt
> on the back panel near where the AC line cord comes out of the
> cabinet.
>
> If yours has that grounding bolt, run a wire from it over to your
> station ground, or attach a counterpoise to it.
>
> One more thing about a counterpoise, especially one which is indoors.
>
> You don't have to use copper strap or brade for the counterpoise
> wires.
>
> Zip cord type speaker wire from Wall-Mart will work just fine in that
> application. You can use both conductors, or just one, or even pull it
> apart and have two completely separate counterpoises.
>
> It's that mad scientist thing again.
>
>
>
>
>
> Mike Duke, K5XU
> American Council of Blind Radio Amateurs