[RFI] Telephone line filters

[DOUG WALLER]

Adding one K-Com filter to my wife's answer machine killed 90% of my rfi.
Then grounding unused wires in the telephone wiring, and placing ferrite
beads at near center of my house telephone wiring in attic took out the
rest.  Only one problem persists:  If we make the call, there is no rfi.
But if we receive the call, a small amount can still be heard??!!   Good
Luck,  Doug

EDWARDS, EDDIE J wrote:

> Hi Jim:
>
> I beleive the Radio Shack & K-Com are the same filters, except RS
> carries only the one model.  K-Com sells at least three, one allows you
> to hard wire it in so-to-speak.  Cost to order the one model from K-Com
> is abt the same w/S&H as picking one up at RS.
>
> If these do not do the job, try adding ferrites too (maybe first?).
>
> As a last resort, RFI-proof phones may be bought from either PRO
> Distributors (800)658-2027 in Lubbock, TX, or from TCE Labs
> (800)KILL-TVI in New Braunfels, TX.
>
> GL & 73,
> de ed
> K0iL@qsl.net
>
> > -----Original Message-----
> > From: Jim Reisert AD1C [SMTP:jjreisert@alum.mit.edu]
> > Sent: Wednesday, 22 July, 1998 7:30 AM
> > To:   rfi@contesting.com
> > Subject:      [RFI] Telephone line filters
> >
> >
> > I need a source of good telephone line filters.  I'm having some
> > problems
> > here in the house and across the street, mostly on 15/20 meters when
> > running the KW.
> >
> > Thanks - Jim AD1C
> >
> > --
> > Jim Reisert AD1C <jjreisert@alum.mit.edu>
> > http://jjr.ne.mediaone.net/
> >
> >
> > --
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> >
>
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