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Re: [RFI] Leased Solar Panels: Operator Responsibility?

To: rfi@contesting.com
Subject: Re: [RFI] Leased Solar Panels: Operator Responsibility?
From: "Dave Cole (NK7Z)" <dave@nk7z.net>
Date: Tue, 14 Nov 2017 16:43:31 -0800
List-post: <mailto:rfi@contesting.com>
I think it is a bit of a blessing to have as the FCC does now...

In addition to actual, real limits, the FCC states in part 15.5:

============CUT from part 15.5==============
(b) Operation of an intentional, unintentional, or incidental radiator is subject to the conditions that no harmful interference is caused and that interference must be accepted that may be caused by the operation of an authorized radio station, by another intentional or unintentional radiator, by industrial, scientific and medical (ISM) equipment, or by an incidental radiator.

(c) The operator of a radio frequency device shall be required to cease operating the device upon notification by a Commission representative that the device is causing harmful interference. Operation shall not resume until the condition causing the harmful interference has been corrected.

(d) Intentional radiators that produce Class B emissions (damped wave) are prohibited.
============END CUT from part 15.5===========

That pretty well covers everything that interferes with ham radio...


73s and thanks,
Dave
NK7Z
http://www.nk7z.net

On 11/14/2017 04:06 PM, chuck.gooden wrote:

If I am recalling correctly, the Fcc does not include any specifications for radiated emissions below 30 mhz and leave it to "well engineering practice."  But that is never defined.
Chuck Gooden - K9LC

-------- Original message --------
From: dalej <dj2001x@comcast.net>
Date: 11/14/2017  5:48 PM  (GMT-06:00)
To: Randy Standke <r55stan@gmail.com>
Cc: rfi@contesting.com
Subject: Re: [RFI] Leased Solar Panels: Operator Responsibility?

Wondering what they are going to knock down from S9+40 to what, nothing or 
something less than?

Also wondering if the FCC is kept informed of this?

Dale j. K9VUJ


On 14, Nov 2017, at 17:14, Randy Standke <r55stan@gmail.com> wrote:

Your spectrum plots look just like SolarEdge RFI does.

I just met with a SolarEdge engineer.  His contact information is Tefford Reed 
<Tefford.Reed@solaredge.com>.  They are working on several houses surrounding a ham in Poway, CA 
(who has S9 +40dB RFI from the new SolarEdge systems that just went in near him).  They plan to correct 
the SolarEdge installations near me in two weeks.  It is great to finally see some activity from 
them.  Tefford told me to ask hams with SolarEdge RFI to contact him.

Randy KQ6RS

-----Original Message-----
From: Tony [mailto:dxdx@optonline.net]
Sent: Tuesday, November 14, 2017 11:50 AM
To: Randy Standke <r55stan@gmail.com>; rfi@contesting.com
Subject: Re: [RFI] Leased Solar Panels: Operator Responsibility?

Randy:
In this case the solar panels could be covered with dark tarps to stop
their interference.  They can stay covered until SolarEdge comes out
and fixes that system. Randy KQ6RS

The tarp solution should work. My neighbors SolarEge system goes quiet at night 
when the panels are inactive. The attached screenshots show the difference 
between the daytime RFI noise level and the nighttime noise level.

Tony -K2MO


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