The barograph recording shows two large swings in barometric pressure .  Each trace represents two days and the two traces are a week apart, in November.  Each vertical line represents two hours.

The Bendix barograph is always within 0.01″ of the Davis barometer in my shack.  The Davis is outside the house and the Bendix is in my radio shack.  The Bendix is one of three barographs given to me by our former Net Manager, Bill Claflin, now deceased.  Bill was a good friend and I miss him.

Dick, K1MGH

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About Dick, K1MGH

Retired physician, ham radio operator since 2003, Amateur Extra license in 2011z. Hobbies include woodworking, ham radio, digital photography, traveling in our Airstream trailer. Married to Claire going on 50 years. Other best friend is Winnie, our Irish Terrier.