Date, Component, Network, Datatype, Method 2011-01-19, N, CentralUS, itrf2008, manual 2013-09-10, N, CentralUS, itrf2008, manual 2016-12-29, N, CentralUS, itrf2008, manual 2011-01-19, E, CentralUS, itrf2008, manual 2013-09-10, E, CentralUS, itrf2008, manual 2016-12-29, E, CentralUS, itrf2008, manual 2011-01-19, U, CentralUS, itrf2008, manual 2013-09-10, U, CentralUS, itrf2008, manual 2016-12-29, U, CentralUS, itrf2008, manual