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Subject:
From:
Steve Dresser <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Thu, 7 Jun 2007 13:02:22 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (229 lines)
Anthony,

Good to know that people have used it successfully.

Steve

----- Original Message ----- 
From: "Anthony Vece" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, June 07, 2007 12:00
Subject: Re: RFI problem.


> Hi Steve;
> 
> I have a friend of mine who uses the braid and he said it works just =
> fine.
> 
> Try it.
> 
> It should work with no problem.
> 
> 73 De Anthony W2AJV
> [log in to unmask]
> ECHOLINK NODE NUMBER: 74389
> 
>  ----- Original Message -----=20
>  From: Steve Dresser=20
>  To: [log in to unmask]
>  Sent: Wednesday, June 06, 2007 9:51 PM
>  Subject: Re: [BLIND-HAMS] RFI problem.
> 
> 
>  Hi Anthony,
> 
>  I had my shack in the uncivilized basement for years, and I like it up =
> here=20
>  on the second floor, away from the rest of the house, and right near =
> my=20
>  office.
> 
>  As I recall, there was nothing in the specs for my antenna about =
> critical=20
>  lengths for ground wires, so I think I'll try using a coax and =
> coupling=20
>  capacitors as a lead between the station ground and the earth.  I =
> doubt it=20
>  will solve my RFI problems, but it may make the antenna play a little=20
>  better.
> 
>  Steve
> 
>  ----- Original Message -----=20
>  From: "Anthony Vece" <[log in to unmask]>
>  To: <[log in to unmask]>
>  Sent: Wednesday, June 06, 2007 17:20
>  Subject: Re: RFI problem.
> 
> 
>  > Hi Steve;
>  >
>  > You need to re-configure the length and the possession of the ground =
> wire.
>  >
>  > Also, see what kind of ground wire the antenna calls for and =
> re-examine=20
>  > the
>  > length.
>  >
>  > They should have something about it in the specs.
>  >
>  > And, if your shack is on the second floor, maybe you could re-locate =
> it on
>  > the first floor or better yet in the basement.
>  >
>  > This is my opinion and I found that this is what worked for me.
>  >
>  > 73 De Anthony W2AJV
>  > [log in to unmask]
>  > ECHOLINK NODE NUMBER: 74389
>  >
>  > ----- Original Message -----=20
>  > From: "Steve Dresser" <[log in to unmask]>
>  > To: <[log in to unmask]>
>  > Sent: Wednesday, June 06, 2007 11:29 AM
>  > Subject: Re: [BLIND-HAMS] RFI problem.
>  >
>  >
>  >> Anthony,
>  >>
>  >> I'm sure that's possible, but I trust an earth ground more than I =
> trust
>  >> grounding to a cold water pipe.  How can I find out, and how do I =
> get rid
>  >> of a ground loop if there is one?
>  >>
>  >> Steve
>  >>
>  >> ----- Original Message -----=20
>  >> From: "Anthony Vece" <[log in to unmask]>
>  >> To: <[log in to unmask]>
>  >> Sent: Tuesday, June 05, 2007 22:27
>  >> Subject: Re: RFI problem.
>  >>
>  >>
>  >>> Hi Steve;
>  >>>
>  >>> You may have inadvertently created a grounding loop.
>  >>>
>  >>> 73 De Anthony W2AJV
>  >>> [log in to unmask]
>  >>> ECHOLINK NODE NUMBER: 74389
>  >>>
>  >>>  ----- Original Message -----=3D20
>  >>>  From: Steve Dresser=3D20
>  >>>  To: [log in to unmask]
>  >>>  Sent: Tuesday, June 05, 2007 10:13 PM
>  >>>  Subject: Re: [BLIND-HAMS] RFI problem.
>  >>>
>  >>>
>  >>>  John,
>  >>>
>  >>>  You make a good point that a cold water ground isn't necessarily =
> a =3D
>  >>> real=3D20
>  >>>  ground.  On the other hand, I use three grounding rods, and I =
> still =3D
>  >>> have the=3D20
>  >>>  problem.
>  >>>
>  >>>  Steve
>  >>>
>  >>>  ----- Original Message -----=3D20
>  >>>  From: "John Miller" <[log in to unmask]>
>  >>>  To: <[log in to unmask]>
>  >>>  Sent: Tuesday, June 05, 2007 11:40
>  >>>  Subject: Re: RFI problem.
>  >>>
>  >>>
>  >>>  > From my experience, some computer speakers, you're not going to =
> fix =3D
>  >>> it.=3D20
>  >>>  > The
>  >>>  > amplification in those is so cheap and garbage and unfiltered =
> or =3D
>  >>> anything,
>  >>>  > it's just something you'll have to deal with more than likely. =
> =3D
>  >>> Grounding=3D20
>  >>>  > to
>  >>>  > a cold water pipe may not help either though as most often if =
> you do=20
>  >>> =3D
>  >>> it
>  >>>  > after the meter, supposedly the meter can isolate you from that =
> =3D
>  >>> actually
>  >>>  > grounding though I don't always trust that, but worse than =
> that, a =3D
>  >>> lot of
>  >>>  > times either the electrical can be grounded there which should =
> make =3D
>  >>> RFI
>  >>>  > issues worse and when I was new and starting out, my water =
> pipes =3D
>  >>> acted as
>  >>>  > part of the antenna when I did that. It never showed up on the =
> SWR =3D
>  >>> or
>  >>>  > anything, but it caused a lot more RFI than it was supposed to =
> fix =3D
>  >>> and my
>  >>>  > electrical is grounded separate from the water pipe because I =
> have a=20
>  >>> =3D
>  >>> well
>  >>>  > and most of the line from the well to the tank in the cellar is =
> PVC =3D
>  >>> anyway
>  >>>  > though I didn't know that at the time.
>  >>>  > Short version is though, half the hams I know, myself included =
> go =3D
>  >>> through
>  >>>  > computer speakers in some way, shape or form and there's really =
> =3D
>  >>> nothing=3D20
>  >>>  > most
>  >>>  > of us can do about it, a lot of us around here have tried =
> everything=20
>  >>> =3D
>  >>> there
>  >>>  > is to tru and nothing helped short of just turning them off and =
> =3D
>  >>> using a=3D20
>  >>>  > set
>  >>>  > of headphones in my case. The sighted hams just shut them off =
> and =3D
>  >>> leave it
>  >>>  > that way.
>  >>>  > ----- Original Message -----=3D20
>  >>>  > From: "Richard French" <[log in to unmask]>
>  >>>  > To: <[log in to unmask]>
>  >>>  > Sent: Tuesday, June 05, 2007 11:26 AM
>  >>>  > Subject: RFI problem.
>  >>>  >
>  >>>  >
>  >>>  >> Hi list.
>  >>>  >> I grounded all my equipment to a cold water pipe, but I still =
> come =3D
>  >>> across
>  >>>  >> my
>  >>>  >> computer speakers.
>  >>>  >> It's the only thing in the house I ever had RFI problems with.
>  >>>  >> Any suggestions would be greatly appreciated.
>  >>>  >> Thanks in advance, and 73.
>  >>>  >
>  >>>  >
>  >>>  >
>  >>>
>  >>>
>  >>>
>  >>
>  >
>  >
>  >
> 
> 
>

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