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Re: [RFI] FCC Complaint Filing

To: Dave Cole <dave@nk7z.net>
Subject: Re: [RFI] FCC Complaint Filing
From: David Eckhardt <davearea51a@gmail.com>
Date: Sun, 24 Nov 2019 00:25:40 +0000
List-post: <mailto:rfi@contesting.com>
Dave, here 'should' be a PDF copy.  See attachment.

Dave - WØLEV

On Sun, Nov 24, 2019 at 12:25 AM Dave Cole <dave@nk7z.net> wrote:

> Thanks Dave,
> I suspect the list flushes word documents, as they can be used to vector
> virus attacks.  I manage a few lists, and all of them are set to flush
> virus vectors.  I do allow pdf files.  I am not sure if the list allows
> pdfs...
>
> In any case, THANK YOU!
>
> 73, and thanks,
> Dave (NK7Z)
> https://www.nk7z.net
> ARRL Volunteer Examiner
> ARRL Technical Specialist
> ARRL Asst. Director, NW Division, Technical Resources
>
> On 11/23/19 4:20 PM, David Eckhardt wrote:
> > I put them in a Word document.  Don't know why they weren't attached.
> > Here you are - see attachment.
> >
> > Dave - WØLEV
> >
> > On Sat, Nov 23, 2019 at 11:56 PM Dave Cole <dave@nk7z.net
> > <mailto:dave@nk7z.net>> wrote:
> >
> >     Dave,
> >     The slides were not attached, can you send them directly to me
> >     please, I
> >     would like to see your presentation.
> >
> >     73, and thanks,
> >     Dave (NK7Z)
> >     https://www.nk7z.net
> >     ARRL Volunteer Examiner
> >     ARRL Technical Specialist
> >     ARRL Asst. Director, NW Division, Technical Resources
> >
> >     On 11/23/19 3:27 PM, David Eckhardt wrote:
> >      > Quate:
> >      >            "cable shields are improperly terminated to the
> >     circuit board
> >      > rather than to the shielding enclosure."
> >      >
> >      > This is the NUMBER ONE error the latest crop of designers make.
> >     The best
> >      > way to violate the Faraday Cage they believe they have (had).  In
> >     so doing,
> >      > THEY'VE VIOLATED MR. FARADAY ! ! !
> >      >
> >      > If the neighbor is causing interference, it is radiated from the
> >     neighbor's
> >      > house wiring into the ham's antenna.   This is especially true if
> the
> >      > source is blocks away.  However, within the house, yes, the
> >     problem is
> >      > conducted 'emissions'.  Attached are thre slides I did for a
> >     course I once
> >      > offered.  Have a look at the enclosure.
> >      >
> >      > Dave - WØLEV
> >      >
> >      > On Sat, Nov 23, 2019 at 7:13 PM Jim Brown
> >     <jim@audiosystemsgroup.com <mailto:jim@audiosystemsgroup.com>>
> wrote:
> >      >
> >      >> On 11/23/2019 9:18 AM, David Eckhardt wrote:
> >      >>> Radiated emissions (typically what causes hams interference) is
> >     regulated
> >      >>> and levels specified only at and above 30 MHz.  Below 30 MHz,
> >     150 kHz
> >      >>> through 29.99999.... MHz, conducted energy is specified and
> >     measured.
> >      >>
> >      >> This is NOT correct. CONDUCTED emissions are the primary cause
> >     of RFI at
> >      >> all frequencies, but especially below 30 MHz, through a
> >     mechanism first
> >      >> identified in the world of pro audio as "The Pin One Problem,"
> >     whereby
> >      >> cable shields are improperly terminated to the circuit board
> >     rather than
> >      >> to the shielding enclosure. The same error is also quite common
> >     with the
> >      >> Green Wire for power wiring.
> >      >>
> >      >> Detail on this at k9yc.com/publish.htm <
> http://k9yc.com/publish.htm>
> >      >>
> >      >> 73, Jim K9YC
> >      >> _______________________________________________
> >      >> RFI mailing list
> >      >> RFI@contesting.com <mailto:RFI@contesting.com>
> >      >> http://lists.contesting.com/mailman/listinfo/rfi
> >      >>
> >      >
> >      >
> >     _______________________________________________
> >     RFI mailing list
> >     RFI@contesting.com <mailto:RFI@contesting.com>
> >     http://lists.contesting.com/mailman/listinfo/rfi
> >
> >
> >
> > --
> > *Dave - WØLEV
> > *
> > */Just Let Darwin Work/*
> > */Just Think/*
>


-- 

*Dave - WØLEV*
*Just Let Darwin Work*
*Just Think*
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