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Re: [RFI] Another Solar Panel RFI System

To: "RFI Mail list at contesting.com" <rfi@contesting.com>
Subject: Re: [RFI] Another Solar Panel RFI System
From: "Dave (NK7Z)" <dave@nk7z.net>
Date: Sun, 25 Dec 2022 07:26:51 -0800
List-post: <mailto:rfi@contesting.com>
Ha!  Now that is funny Steve!!

Change the Part 15, and part 18, tags to say:

"Do not remove under penalty of Law, and only if no RFI is present."

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 12/25/22 07:17, Steve London wrote:
From https://www.livescience.com/33039-why-do-mattresses-have-do-not-remove-tags.html <https://www.livescience.com/33039-why-do-mattresses-have-do-not-remove-tags.html>

In the 1990s, in an effort to clear up the confusion, the tag's warning was officially changed to "Do Not Remove Under Penalty of Law Except by the Consumer."

73,
Steve, N2IC

On Sun, Dec 25, 2022 at 8:13 AM Dave (NK7Z) <dave@nk7z.net <mailto:dave@nk7z.net>> wrote:

    Hi Dale,

    For the most part that is not going to work well...  No matter how much
    you talk to your next door neighbor if you interfere with their <insert
    device name here>, it is almost always your fault in their minds...
    The logic goes like this:

    "I have a <insert device name here>, it works 99% of the time, but when
    you transmit it does not work..."

    How do you think most people are going to react to that
    situation...  So
    as Amateurs, we start out handicapped, because the consumer is not
    educated in how RFI responsibility is parsed out.  The consumer is sure
    it is you, not them...

    Now lets reverse the victim status...

    The consumer installs a multi thousand dollar <insert device name here>:

    "I paid thousands to to install this, and had professionals install
    it...  I bought it from a manufacturer we all know and love.  It can't
    be my equipment..."

    Again-- education of the consumer is the driver here.  If the consumer
    is happy, and the system is in place, the Amateur is already behind the
    8-Ball, and again, the Amateur is handicapped as a result of lack of
    education on the consumers part, with regards to parsing RFI
    responsibility.

    This places an installer, or manufacturer, in the position of telling
    the consumer that their newly installed multi thousand dollar widget,
    may interfere with the amateur next door, and they, (the consumer),
    will
    have to pay more to fix the issue...

    Again, the consumer is going to whine about this state of affairs, and
    neither the  the manufacture, or the vendor, are going to tell the
    consumer this, as they may lose the sale...  Again, education issues
    for
    the consumer, and maybe penalty's for the vendor if they don't tell the
    consumer might help...

    Until the consumer, not the Amateur, is directly affected by RFI, the
    RFI nightmare we all live in, (if we are a city), will continue.

    Part of the RFI "fix" MUST include education beyond the Part 15, or 18,
    stickers on equipment to consumers...  The consumer views these
    stickers
    like the tags on mattresses that say "DO NOT REMOVE UNDER PENALTY OF
    LAW", they are ignored, and removed, for the most part.

    I really don't see how this will get solved in my lifetime...  At 70, I
    have perhaps 15 to 20, (if I am lucky), years left...

    It will take that long just to cycle out most of the old gear, if a
    mandate were to be put in place today.

    I applaud the efforts of the ARRL, the only way to work this issue
    is to
    educate everyone involved, and get standards in place...

    Maybe the next generation of hams will see less RFI...

    With regards to contracts...  You are dead correct Dale!

    I was lucky, I got my HVAC installer to put in his contract that if RFI
    were to occur at a level I was not happy with, they would fix the
    issue,
    or remove and replace the HVAC system.  I doubt I could get that
    concession again today...  No RFI, occurred however, as we discussed
    this with the vendor prior to install, (no PWM motors were used), and
    the vendor contacted the manufacturer BEFORE starting on the project.

    What next door neighbor is going to tell a vendor, you had better be
    ready to charge me more, if the ham next door complains...

    Consumers MUST be educated about RFI responsibilities, as part of an
    overall fix, if RFI is to be reduced...

    73, and thanks,
    Dave (NK7Z)
    https://www.nk7z.net <https://www.nk7z.net>
    ARRL Volunteer Examiner
    ARRL Technical Specialist, RFI
    ARRL Asst. Director, NW Division, Technical Resources

    On 12/25/22 01:04, Dale wrote:
     > so it would seem that we hams try to work with our neighbors to
    minimize the problems from their systems
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