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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Historical Tide Data
From: Antoine Couëtte
Date: 2015 Apr 24, 23:35 -0700
From: Antoine Couëtte
Date: 2015 Apr 24, 23:35 -0700
RE : Historical-Tide-Data-McDonald-apr-2015-g31114
Dear Jackson,
Thanks for the news about the Marégraphe in Marseilles.
You are right, this Marégraphe was used as a "Mean Sea Level" reference data for France for about one century until WGS84 reference datum [probably] took over.
Best Regards, Excellence
Antoine M. "Kermit" Couëtte