Message posted by Crash on August 11, 2019 at 14:30:30 PST:
Possibility: F-16s from the Air National Guard base at Duluth, Minnesota. I've encountered them creating shockingly loud jet noise in quiet rural areas far up the north shore, I have to wonder if they use the south side of the lake in Wisconsin to head back to Duluth.
In Reply to: Activity over Upper Michigan posted by RickB on June 21, 2019 at 12:42:21 PST:
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