Date, Component, Network, Datatype, Method 2013-05-23, N, CentralUS, itrf2008, manual 2017-11-08, N, CentralUS, itrf2008, manual 2019-03-15, N, CentralUS, itrf2008, manual 2013-05-23, E, CentralUS, itrf2008, manual 2017-11-08, E, CentralUS, itrf2008, manual 2019-03-15, E, CentralUS, itrf2008, manual 2013-05-23, U, CentralUS, itrf2008, manual 2017-11-08, U, CentralUS, itrf2008, manual 2019-03-15, U, CentralUS, itrf2008, manual