Date, Component, Network, Datatype, Method 2011-03-01, N, NCalifornia, itrf2008, automatic 2012-02-01, N, NCalifornia, itrf2008, automatic 2012-03-14, N, NCalifornia, itrf2008, automatic 2013-01-25, N, NCalifornia, itrf2008, automatic 2008-04-22, E, NCalifornia, itrf2008, automatic 2011-02-28, E, NCalifornia, itrf2008, automatic 2011-03-01, E, NCalifornia, itrf2008, automatic 2017-12-18, E, NCalifornia, itrf2008, automatic