Date, Component, Network, Datatype, Method 2013-09-18, N, CentralUS, itrf2008, manual 2016-12-29, N, CentralUS, itrf2008, manual 2013-09-18, E, CentralUS, itrf2008, manual 2016-12-29, E, CentralUS, itrf2008, manual 2011-08-24, U, CentralUS, itrf2008, automatic 2011-11-29, U, CentralUS, itrf2008, automatic 2013-09-18, U, CentralUS, itrf2008, manual 2016-12-29, U, CentralUS, itrf2008, manual