I have 40 solar panels ( 10.4 KW) in 4 arrays feeding two Sunny Boy 5000
watt inverters. All within 30 ft of my shack. Antennas are an HF
vertical on a shack roof parapet as well as a beam and inverted V about
200 ft away up on a ridge. I see zero noise from this solar system
whether in grid tied or off grid mode. Solar installer guy was told must
not produce RFI so he used this that other hams had said did not produce
RFI. Friend of mine had about 10 panels each with a micro inverter. Was
horrible RFI from that system. My only regret was not having a full off
grid system put in with lots of batteries.
73, Tom W7SUA
On 2/6/2025 9:29 AM, John Pierce via Elecraft wrote:
I am planning to install Solar on my house. Any experience you have had
regarding the inverter as an amateur radio noise source would be of real
interest. Noise may vary by Mfg or by inverters at each panel on the roof
vs one system inverter near my basement. My antenna is a Hex beam an the
solar system would be about 15' away.
John
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