Follow up, I checked with some of the close neighbors, and so far 5 neighbors or more had simultaneous breaker tripping, all were AFCI breakers. I called home warranty today, and the electrician will be out Wednesday to replace 6 breakers. These are all Eaton breaker, WHITE test button, and GREEN stripe with the word TEST.
As a retired professional electrical engineer, it appears to be interesting that this recent disruption was over a large area. I would seem to me that this would point more to some form of conducted electrical noise on the SECO system, then the Ham radio interference. I had tried to discuss this we SECO before, but did not get anywhere. Prior to retiring, the utility I worked for, did have occasions where noise was conducted through the system. As a matter of fact they use this to actually remotely read their 1.4 million revenue meters, but this was in a frequency band that does not interfere with the Eaton AFCI circuit breakers.
Continue to call home warranty about this, and get your breakers changed out.
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Pennsylvania, for 60+ years, most recently, Allentown, now TV.
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