That suggestion about making sure the negative lead of the supply is
grounded to the supply's chassis is a capital idea. Astron supplies in
particular are subject to all kinds of troubles because of that! Many
supplies are made for lab use and need a floating negative, but in our
service, that is asking for trouble.
Regards,
Mike N4NT@wireco.net
Johnson City, Tennessee
----- Original Message -----
From: Anthony Bowyer <adb1x1@yahoo.com>
To: <TenTec@contesting.com>
Sent: Monday, December 06, 1999 12:08 PM
Subject: Re: [TenTec] RF and Pegasus
>
> Gary,
> It could be RF getting into the power supply
> causing
> some regulation/modulation problems. I've seen that on
> more than one occasion. You could try a toroid on the
> power leads and/or wrap them into a tight bundle. I
> don't know if you've done it yet or not, but you might
> also make sure the negative lead on the power supply
> is connected directly to your ground connection.
>
> --- Gary Bernard <W0CKI@netzero.com> wrote:
> > Have a Pegasus, been on with it for 2 weeks. Great
> > radio and value!! But, very sensitive to RF in or
> > near the shack.Won't tune\load with linear on one
> > antenna, no problem on the other. In my case it is
> > the R6000 vertical with counterpoise mounted almost
> > directly above the radio room.(other vertical is150
> > feet from the shack) Have done the usual, added
> > toroids on all critical leads including the serial
> > interface cable, no ground loops I know of. Move the
> > R6000???, I think so, any other ideas??
> > Regards, Gary W0CKI
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