Fw: [TenTec] Century 21 keying

[Robert & Linda McGraw K4TAX]

Thanks for the compliment.

73
Bob K4TAX

----- Original Message -----
From: "Irvin A Weinman" <iawein2@cox.net>
To: "Robert & Linda McGraw K4TAX" <RMcGraw@Blomand.Net>
Sent: Wednesday, March 27, 2002 8:38 PM
Subject: Re: [TenTec] Century 21 keying


> Thanks a million, Bob.  Your remedy worked perfectly. The keying is just
super
> now on my C-21.
>
> Robert & Linda McGraw K4TAX wrote:
>
> > Put several turns of the RG-58 through a donut core.  Changes are that
> > common mode current on the outside of the coax is getting back to the
> > operating area.
> >
> > 73
> > Bob K4TAX
> >
> > ----- Original Message -----
> > From: "Irvin A Weinman" <iawein2@cox.net>
> > To: <tentec@contesting.com>
> > Sent: Wednesday, March 27, 2002 12:56 PM
> > Subject: [TenTec] Century 21 keying
> >
> > > Can someone help me with a keying problem with the C-21? With a dummy
> > > load, the keying is perfect, but with the antenna connected and
> > > loaded,on any band, apparently r.f. is getting into the keying
circuit,
> > > because the keying clips and becomes chirpy.  Is there some place I
can
> > > filter or bypass to eliminate the problem? I am feeding an SGC smart
> > > tuner on the roof of my condo with 40 feet of RG58. The antenna is a
> > > sloper in the tree. There is a counterpoise on the flat roof. Toroids
in
> > > the keying lead and in the a.c. line do not seem to help.  Irv W7GX
> > >
> > > _______________________________________________
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> > > TenTec@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/tentec
> > >
>
>