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Subject:
From:
Colin McDonald <[log in to unmask]>
Reply To:
Blind-Hams For blind ham radio operators <[log in to unmask]>
Date:
Sun, 13 Feb 2005 19:38:16 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (108 lines)
unless you isolate them in the way i described with coax and the
capacitors...that apparently isolates the rf from the ground line itself.
Regards
Colin
----- Original Message -----
From: "Steve Dresser" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, February 13, 2005 7:35 PM
Subject: Re: grounding


> John,
>
> I'd be very skeptical of any device that calls itself an artificial
> ground.  From what I've heard, the best ground is a solid wire running
from
> your station ground to a grounding rod.  Stranded wires tend to act like
> miniature antennas.
>
> Steve
>
> On Sunday 2/13/05 20:18 John Miller wrote:
>
> >I have 1 of those MFJ artificial grounds,  it seems to work alright but
> >lately it isn't making it.
> >----- Original Message -----
> >From: "Colin McDonald" <[log in to unmask]>
> >To: <[log in to unmask]>
> >Sent: Sunday, February 13, 2005 6:14 PM
> >Subject: grounding
> >
> >
> > > This is a multi-part message in MIME format.
> > >
> > > ------=_NextPart_000_0860_01C511E7.293F2990
> > > Content-Type: text/plain;
> > >        charset="iso-8859-1"
> > > Content-Transfer-Encoding: quoted-printable
> > >
> > > Hi list:
> > > i think it was John who was saying that he has some grounding problems
=
> > > being on the second floor.
> > > I found a good method of helping to get rid of some of the floating =
> > > ground problems.
> > > You use a peace of RG58 coax and put a 4.7  peaka farad seramic =
> > > capacitor across between the ground shield and center line of the coax
=
> > > on each end of the length you will need to go from your station to
your =
> > > ground rod or an adequet ground somewhere.  Connect the center line of
=
> > > the coax to ground and the center of the other end to the radio or to
=
> > > your common station ground in the shack.  This is supposed to help to
=
> > > eliminate floating ground and keep all the extra RF going to ground =
> > > instead of coming back up your ground line.
> > > Regards
> > > Colin
> > > ------=_NextPart_000_0860_01C511E7.293F2990
> > > Content-Type: text/html;
> > >        charset="iso-8859-1"
> > > Content-Transfer-Encoding: quoted-printable
> > >
> > > <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
> > > <HTML><HEAD>
> > > <META http-equiv=3DContent-Type content=3D"text/html; =
> > > charset=3Diso-8859-1">
> > > <META content=3D"MSHTML 6.00.2800.1476" name=3DGENERATOR>
> > > <STYLE></STYLE>
> > > </HEAD>
> > > <BODY bgColor=3D#ffffff>
> > > <DIV><FONT face=3DArial size=3D2>Hi list:</FONT></DIV>
> > > <DIV><FONT face=3DArial size=3D2>i think it was John who was saying
that =
> > > he has some=20
> > > grounding problems being on the second floor.</FONT></DIV>
> > > <DIV><FONT face=3DArial size=3D2>I found a good method of helping to
get =
> > > rid of some=20
> > > of the floating ground problems.</FONT></DIV>
> > > <DIV><FONT face=3DArial size=3D2>You use a peace of RG58 coax and put
a =
> > > 4.7&nbsp;=20
> > > peaka farad seramic capacitor across between the ground shield and =
> > > center line=20
> > > of the coax on each end of the length you will need to go from your =
> > > station to=20
> > > your ground rod or an adequet ground somewhere.&nbsp; Connect the
center =
> > > line of=20
> > > the coax to ground and the center of the other end to the radio or to
=
> > > your=20
> > > common station ground in the shack.&nbsp; This is supposed to help to
=
> > > eliminate=20
> > > floating ground and keep all the extra RF going to ground instead of =
> > > coming back=20
> > > up your ground line.</FONT></DIV>
> > > <DIV><FONT face=3DArial size=3D2>Regards</FONT></DIV>
> > > <DIV><FONT face=3DArial size=3D2>Colin</FONT></DIV></BODY></HTML>
> > >
> > > ------=_NextPart_000_0860_01C511E7.293F2990--
> > >
>

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