Date, Component, Network, Datatype, Method 2013-09-10, N, CentralUS, itrf2008, manual 2016-12-29, N, CentralUS, itrf2008, manual 2012-07-11, E, CentralUS, itrf2008, automatic 2013-09-10, E, CentralUS, itrf2008, manual 2016-12-29, E, CentralUS, itrf2008, manual 2013-09-10, U, CentralUS, itrf2008, manual 2016-12-29, U, CentralUS, itrf2008, manual