[time-nuts] NYTimes: New geoid soon

Steve Allen sla at ucolick.org
Sat May 23 18:52:18 UTC 2020


On Fri 2020-05-22T23:16:49-0700 Hal Murray hath writ:
> It is a fiendishly difficult
> math and physics task that, once completed, will have taken a decade and a
> half to accomplish.

So fiendishly difficult that the first time the task was completed was
not until 1899

The Transcontinental Triangulation and the American Arc of the Parallel
Assistant CHAS. A. SCHOTT, Chief of the Computing Division, USC&GS
ftp://ftp.library.noaa.gov/docs.lib/htdocs/rescue/cgs_specpubs/QB275U35no41900.pdf

--
Steve Allen                    <sla at ucolick.org>              WGS-84 (GPS)
UCO/Lick Observatory--ISB 260  Natural Sciences II, Room 165  Lat  +36.99855
1156 High Street               Voice: +1 831 459 3046         Lng -122.06015
Santa Cruz, CA 95064           https://www.ucolick.org/~sla/  Hgt +250 m




More information about the Time-nuts_lists.febo.com mailing list