[RFI] My biggest fear is happening

Jamie WW3S ww3s at zoominternet.net
Wed Jun 5 11:56:50 EDT 2024 

they did the same thing here, I presented all the info, literature about 
the retro fit kits, upgraded optimizers, etc, all to no avail....2+ 
years later ( in fairness, they were scheduled to come out then covid 
hit) the same guy was back, along with the solar edge national contact, 
I tried to resist any temptation to say I told you so, but I 
couldnt....take pictures, document, then document again....dates, times, 
etc......and contact the ARRL......now. The good news is SolarEdge is 
cooperative to work with, just cross all your T and dot all your I


------ Original Message ------
>From "Bob Kozlarek WA2SQQ" <wa2sqq at gmail.com>
To "Dave (NK7Z)" <dave at nk7z.net>; "rfi" <rfi at contesting.com>
Date 6/5/2024 11:35:39 AM
Subject Re: [RFI] My biggest fear is happening

>I just spoke to the installer had a few questions specifically are all of
>the DC cables straight or are they twisting them and also are they using
>any RF chokes? His response was that we don’t twist the cables and we don’t
>install any chokes. I did verify that they are using solar edge inverters?
>
>I’m wondering if anyone has any contacts for solar edge that I might be
>able to contact today and explain the situation.. he did agree that he
>would ring my doorbell when they turn the system on later this afternoon so
>we can check.
>
>
>
>
>*Best 73 de WA2SQQElmwood Park, NJ"The only dumb questions are those we
>don't ask"*
>
>
>On Wed, Jun 5, 2024 at 10:59 AM Dave (NK7Z) <dave at nk7z.net> wrote:
>
>>  Morning,
>>
>>  Good luck in this, documentation is your friend here...
>>
>>  If possible use the SDR, not just a screen capture of a small chunk of
>>  spectrum.  You will need to prove the RFI is causing you issues, to get
>>  the FCC involved, not just that RFI is being generated.  The RFI MUST
>>  cause issues to get action from the FCC.
>>
>>  I provided 10 MHz wide scans to the ARRL labs, (I work with them on any
>>  RFI issues I have), and they sent a note to a pot grower, and his
>>  landlord, and the issue ended...  Wide-band scans are very useful for
>>  this sort of thing...  Look in the Handbook, there is a large section on
>>  RFI now...
>>
>>  Please do keep me in the loop, as anything I learn, I can pass on to
>>  others...
>>
>>  73, and thanks,
>>  Dave (NK7Z)
>>https://www.nk7z.net
>>  ARRL Volunteer Examiner
>>  ARRL Technical Specialist, RFI
>>  ARRL Asst. Director, NW Division, Technical Resources
>>
>>  On 6/5/24 07:50, Bob Kozlarek WA2SQQ wrote:
>>  > Just got all my screen captures done. Thanks very much for all the
>>  > advice. I’ll keep you posted.
>>  >
>>  > /Best 73 de WA2SQQ
>>  > Elmwood Park, NJ
>>  >
>>  > "The only dumb questions are those we don't ask"/
>>  >
>>  >
>>  > On Wed, Jun 5, 2024 at 10:46 AM Dave (NK7Z) <dave at nk7z.net
>>  > <mailto:dave at nk7z.net>> wrote:
>>  >
>>  >     Bob,
>>  >
>>  >     Take readings on every band, today of your RFI, before the system is
>>  >     installed.  See:
>>  >
>>  >     https://www.nk7z.net/sdr-rfi-survey-p1/
>>  >     <https://www.nk7z.net/sdr-rfi-survey-p1/>
>>  >
>>  >     You will find the pre-install readings very useful, (if the system
>>  >     starts generating RFI), in mitigating RFI issues later.
>>  >
>>  >     Document all discussions you have with both, the neighbor, and the
>>  >     installer.  Also, you might remind the neighbor that the owner of the
>>  >     system is responsible, not the maker of the system.
>>  >
>>  >     Do all of this in a non confrontational way of course, but get it in
>>  >     the
>>  >     neighbors head that you will not put up with RFI.  Also, make sure
>>  that
>>  >     the neighbor knows the contact point for any mitigation will be the
>>  >     them
>>  >     first.  Then note all of that in your RFI mitigation log...
>>  >
>>  >     I have a neighbor, (we get along), who commented about getting an
>>  >     Electric car.  I also commented to them that chargers can generate
>>  >     copious amounts of RFI, and they should speak to the maker about this
>>  >     before they install one that generates RFI.  That way we can both
>>  avoid
>>  >     mitigation issues.  I also put that communications note in my running
>>  >     RFI log.  We still get along, and they now understand that RFI is a
>>  >     issue...
>>  >
>>  >     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 6/5/24 06:25, Bob Kozlarek WA2SQQ wrote:
>>  >      > Woke up this morning to discover a “Sunrun” solar truck in my
>>  >     neighbors
>>  >      > driveway. I’ve got a very good relation with my neighbor. I
>>  shared my
>>  >      > concerns and she admitted she wasn’t aware of the potential
>>  >     problem. The
>>  >      > installers said, it should not cause any problems. I’m going to
>>  >     speak with
>>  >      > the installers later today. What are the known components
>>  >     (brands) that are
>>  >      > known offenders?
>>  >      >
>>  >      > I’m going to try and remain optimistic, but I have a bad feeling.
>>  >      >
>>  >      >
>>  >      >
>>  >      >
>>  >      > *Best 73 de WA2SQQElmwood Park, NJ"The only dumb questions are
>>  >     those we
>>  >      > don't ask"*
>>  >      > _______________________________________________
>>  >      > RFI mailing list
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>>  >
>>
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