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Re: [RFI] RFI Digest, Vol 257, Issue 3

To: rfi@contesting.com
Subject: Re: [RFI] RFI Digest, Vol 257, Issue 3
From: Bob Kozlarek WA2SQQ <wa2sqq@gmail.com>
Date: Wed, 5 Jun 2024 10:27:35 -0400
List-post: <mailto:rfi@contesting.com>
I’m in the process of doing the screen shots. I just purchased a new iPad
and discovered the the FLEX app is asking me to purchase it, again. Once I
get the app registration transferred, I’ll be taking screen captures




*Best 73 de WA2SQQElmwood Park, NJ"The only dumb questions are those we
don't ask"*


On Wed, Jun 5, 2024 at 10:24 AM <rfi-request@contesting.com> wrote:

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> Today's Topics:
>
>    1. Re: My biggest fear is happening (Paul Christensen)
>    2. Re: My biggest fear is happening (Michael Carter)
>    3. Re: My biggest fear is happening (Bob Kozlarek WA2SQQ)
>    4. Re: My biggest fear is happening (Mark Schoonover)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 5 Jun 2024 09:44:49 -0400
> From: "Paul Christensen" <pchristensen@ieee.org>
> To: "'rfi'" <rfi@contesting.com>
> Subject: Re: [RFI] My biggest fear is happening
> Message-ID: <008c01dab74e$8a532d90$9ef988b0$@ieee.org>
> Content-Type: text/plain;       charset="UTF-8"
>
> Why is it too late if they showed up this morning?  You can take screen
> captures now, before it really is too late.
>
> Paul, W9AC
>
> -----Original Message-----
> From: RFI <rfi-bounces+pchristensen=ieee.org@contesting.com> On Behalf Of
> Bob Kozlarek WA2SQQ
> Sent: Wednesday, June 5, 2024 9:36 AM
> To: Alan Higbie <alan.higbie@gmail.com>; rfi <rfi@contesting.com>
> Subject: Re: [RFI] My biggest fear is happening
>
> Too late, they are already installing.
>
>
>
>
> *Best 73 de WA2SQQElmwood Park, NJ"The only dumb questions are those we
> don't ask"*
>
>
> On Wed, Jun 5, 2024 at 9:34?AM Alan Higbie <alan.higbie@gmail.com> wrote:
>
> > I suggest - ask for a nearby location of an identical installation - and
> > then running over there with your RFI detection gear to check it out.
>  73,
> > Alan K0AV
> >
> > On Wed, Jun 5, 2024 at 7:25?AM Bob Kozlarek WA2SQQ <wa2sqq@gmail.com>
> > 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
> >> RFI@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/rfi
> >>
> >
> _______________________________________________
> RFI mailing list
> RFI@contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Wed, 5 Jun 2024 14:05:56 +0000
> From: Michael Carter <Mike.Carter@unh.edu>
> To: Bob Kozlarek WA2SQQ <wa2sqq@gmail.com>, rfi <rfi@contesting.com>
> Subject: Re: [RFI] My biggest fear is happening
> Message-ID:
>         <
> BL3P223MB038544331836066415D01682E4F92@BL3P223MB0385.NAMP223.PROD.OUTLOOK.COM
> >
>
> Content-Type: text/plain; charset="Windows-1252"
>
> Hi Bob,
>
> Unless your neighbor has opted to purchase
> and own the solar PV system, Sunrun is the
> owner and obligated to address any RFI
> issues associated with its installations.
> The Sunrun business model is leasing
> of the installed PV system at a fixed cost
> to the residence owner.
>
> I tried to research the brands of products
> used by Sunrun installers and found little
> information thus far.  Sunrun entered into
> a purchase agreement with SolarEdge for
> inverters several years ago, but I don't know
> if Sunrun is still using SolarEdge products.
> Readers of this list know all too well of
> RFI problems with SolarEdge's line of
> 'solar optimizers', which are DC-DC switch-mode
> power converters connected to each PV module.
>
> Paul, W9AC's advice to quickly get a baseline
> reading of RF background levels on all bands
> on which you operate is the best action you
> can take now.  I would also reach out to
> Steve, W1EMI at ARRL Laboratory who has
> interacted with SolarEdge and possibly Sunrun
> on RFI issues.
>
> 73,
> Mike, K8CN
> ________________________________
> From: RFI <rfi-bounces+mike.carter=unh.edu@contesting.com> on behalf of
> Bob Kozlarek WA2SQQ <wa2sqq@gmail.com>
> Sent: Wednesday, June 5, 2024 9:25 AM
> To: rfi <rfi@contesting.com>
> Subject: [RFI] My biggest fear is happening
>
> CAUTION: This email originated from outside of the University System. Do
> not click links or open attachments unless you recognize the sender and
> know the content is safe.
>
>
> 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
> RFI@contesting.com
>
> https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.contesting.com%2Fmailman%2Flistinfo%2Frfi&data=05%7C02%7Cmike.carter%40unh.edu%7C60314d0dfb7145b005a708dc8562fc55%7Cd6241893512d46dc8d2bbe47e25f5666%7C0%7C0%7C638531907391161505%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=qNrvYzSFMYS2%2FtcBb2xbAr9O8EvWfYfurv7w70biKyo%3D&reserved=0
> <http://lists.contesting.com/mailman/listinfo/rfi>
>
>
> ------------------------------
>
> Message: 3
> Date: Wed, 5 Jun 2024 10:10:48 -0400
> From: Bob Kozlarek WA2SQQ <wa2sqq@gmail.com>
> To: Michael Carter <Mike.Carter@unh.edu>, rfi <rfi@contesting.com>
> Subject: Re: [RFI] My biggest fear is happening
> Message-ID:
>         <CAK47ybkQfeJY_XQAcCxPGjNrw5cW7Mazgu3ogHQk68=
> BrrEcmQ@mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
>
> So let?s assume Solar Edge is what they use. How has the feedback been on
> noise?
>
>
>
>
> *Best 73 de WA2SQQElmwood Park, NJ"The only dumb questions are those we
> don't ask"*
>
>
> On Wed, Jun 5, 2024 at 10:06?AM Michael Carter <Mike.Carter@unh.edu>
> wrote:
>
> > Hi Bob,
> >
> > Unless your neighbor has opted to purchase
> > and own the solar PV system, Sunrun is the
> > owner and obligated to address any RFI
> > issues associated with its installations.
> > The Sunrun business model is leasing
> > of the installed PV system at a fixed cost
> > to the residence owner.
> >
> > I tried to research the brands of products
> > used by Sunrun installers and found little
> > information thus far.  Sunrun entered into
> > a purchase agreement with SolarEdge for
> > inverters several years ago, but I don't know
> > if Sunrun is still using SolarEdge products.
> > Readers of this list know all too well of
> > RFI problems with SolarEdge's line of
> > 'solar optimizers', which are DC-DC switch-mode
> > power converters connected to each PV module.
> >
> > Paul, W9AC's advice to quickly get a baseline
> > reading of RF background levels on all bands
> > on which you operate is the best action you
> > can take now.  I would also reach out to
> > Steve, W1EMI at ARRL Laboratory who has
> > interacted with SolarEdge and possibly Sunrun
> > on RFI issues.
> >
> > 73,
> > Mike, K8CN
> > ------------------------------
> > *From:* RFI <rfi-bounces+mike.carter=unh.edu@contesting.com> on behalf
> of
> > Bob Kozlarek WA2SQQ <wa2sqq@gmail.com>
> > *Sent:* Wednesday, June 5, 2024 9:25 AM
> > *To:* rfi <rfi@contesting.com>
> > *Subject:* [RFI] My biggest fear is happening
> >
> > CAUTION: This email originated from outside of the University System. Do
> > not click links or open attachments unless you recognize the sender and
> > know the content is safe.
> >
> >
> > 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
> > RFI@contesting.com
> >
> >
> https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.contesting.com%2Fmailman%2Flistinfo%2Frfi&data=05%7C02%7Cmike.carter%40unh.edu%7C60314d0dfb7145b005a708dc8562fc55%7Cd6241893512d46dc8d2bbe47e25f5666%7C0%7C0%7C638531907391161505%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=qNrvYzSFMYS2%2FtcBb2xbAr9O8EvWfYfurv7w70biKyo%3D&reserved=0
> > <http://lists.contesting.com/mailman/listinfo/rfi>
> >
>
>
> ------------------------------
>
> Message: 4
> Date: Wed, 5 Jun 2024 07:23:40 -0700
> From: Mark Schoonover <mark@ka6wke.net>
> To: Alan Higbie <alan.higbie@gmail.com>
> Cc: Bob Kozlarek WA2SQQ <wa2sqq@gmail.com>, rfi <rfi@contesting.com>
> Subject: Re: [RFI] My biggest fear is happening
> Message-ID:
>         <CAC++DEbt3Pyt56mSPi3TU=9AbWcw64wKQcBj6D=P=
> BN7A0htug@mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
>
> Alan,
>
> This is what I did, brought a portable SW radio with me. The company I went
> with had a nearly identical system that was ground mounted. The company rep
> and I went out there and I scanned the bands - 100% quiet. We're listening
> to a SW station and they broadcasted the local weather - something like 20
> degrees C, clouds, etc. The rep looked at me puzzled then the station
> announced itself, Radio Australia. He was shocked a radio station could go
> that far.
>
> Taking before install and after install waterfall screenshots is good. Also
> grab another set well after dark too. The other option you have is ferrite
> everywhere. I have a video on what I did to my previous station:
> https://youtu.be/K_1hBFMzbAs?si=e9_llLNjXWQ6xQ5S
>
> Let us know your results. I'm sure if you talk to the techs, they'll give
> you brand & model information of the inverter(s).
>
> 73! Mark KA6WKE - DM34st
> Need a Website? https://www.copperstate-it.com
> Youtube: https://www.youtube.com/ka6wke
> Amateur Radio: https://www.ka6wke.net
> LinkedIn: https://www.linkedin.com/in/markschoonover
>
>
>
>
> On Wed, Jun 5, 2024 at 6:34?AM Alan Higbie <alan.higbie@gmail.com> wrote:
>
> > I suggest - ask for a nearby location of an identical installation - and
> > then running over there with your RFI detection gear to check it out.
>  73,
> > Alan K0AV
> >
> > On Wed, Jun 5, 2024 at 7:25?AM Bob Kozlarek WA2SQQ <wa2sqq@gmail.com>
> > 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
> > > RFI@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/rfi
> > >
> > _______________________________________________
> > RFI mailing list
> > RFI@contesting.com
> > http://lists.contesting.com/mailman/listinfo/rfi
> >
>
>
> ------------------------------
>
> Subject: Digest Footer
>
> _______________________________________________
> RFI mailing list
> RFI@contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
>
>
> ------------------------------
>
> End of RFI Digest, Vol 257, Issue 3
> ***********************************
>
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