Date, Component, Network, Datatype, Method 2011-08-23, N, NCalifornia, itrf2008, automatic 2012-02-01, N, NCalifornia, itrf2008, automatic 2013-01-25, N, NCalifornia, itrf2008, automatic 2014-03-10, N, NCalifornia, itrf2008, manual 2014-02-20, E, NCalifornia, itrf2008, automatic 2014-03-10, E, NCalifornia, itrf2008, manual 2014-03-10, U, NCalifornia, itrf2008, manual 2019-11-19, U, NCalifornia, itrf2008, automatic