[RFI] Solar Panel RFI/Grow light Noise Pollution

Augie "Gus" Hansen augie.hansen at comcast.net
Sun Jul 2 14:22:54 EDT 2017


I don't know about the RFI, but 3-30 MHz is the HF range, not MF. The 
medium frequency range is 0.3-3MHz.

My small (~100 watt) solar system keeps an emergency battery topped off 
and causes no detectable RFI, probably due to the low currents involved. 
The system sits at the base of my tower with several wire antennas in 
close proximity.

Gus Hansen
KB0YH


On 7/2/2017 10:11 AM, WX5L wrote:
> Sorry my previous post may have been confusing...My question refers to Solar
> Array RFI.....
>
> Has anyone detected RFI from Solar Array in the MF range(3-30 MHZ). It seems
> all RFI so far is in the VHF range...so far.
>
> Thanks,
> Randy
> WX5L
>
>
>
> -----Original Message-----
> From: RFI [mailto:rfi-bounces at contesting.com] On Behalf Of WX5L
> Sent: Sunday, July 02, 2017 11:02 AM
> To: 'Tom Lizak'; RFI at contesting.com
> Subject: Re: [RFI] Solar Panel RFI/Grow light Noise Pollution
>
> Do you hear any RFI in the MF range(3-30 mhz?)
>
> Randy
> WX5L
>
> -----Original Message-----
> From: RFI [mailto:rfi-bounces at contesting.com] On Behalf Of Tom Lizak
> Sent: Sunday, July 02, 2017 10:52 AM
> To: RFI at contesting.com
> Subject: [RFI] Solar Panel RFI/Grow light Noise Pollution
>
> Hi guys,
>
>   
>
> Yup, solar panel RFI is here to stay, unfortunately.  I think the FCC should
> really look into all the RFI "noise pollution" that the optimizer/inverters
> are causing from many solar panel installations.
>
>   
>
> I have two house with panels, one to the south and one to the NE of my QTH.
> The one south is about 300' from the tower and the one to the NE is about  a
> quarter-mile away and has a nasty S6 birdie on  50.098MHz and ditto for the
> house 300' away from me but has a very loud S8 birdie on 50.098MHz.  Both
> wash out the 6m band...totally ! The "birdie" seems to occur every 100KHz as
> there is one on 49.998MHz, one on 50.198MHz, etc.
>
>   
>
> Tom/K1TL...
>
>   
>
>   
>
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