Date, Component, Network, Datatype, Method 2012-02-01, N, NCalifornia, itrf2008, automatic 2014-03-10, N, NCalifornia, itrf2008, manual 2016-12-08, N, NCalifornia, itrf2008, manual 2014-03-10, E, NCalifornia, itrf2008, manual 2016-12-08, E, NCalifornia, itrf2008, manual 2014-03-10, U, NCalifornia, itrf2008, manual 2016-12-08, U, NCalifornia, itrf2008, manual