Date, Component, Network, Datatype, Method 2013-05-02, N, CentralUS, itrf2008, manual 2016-12-29, N, CentralUS, itrf2008, manual 2013-05-02, E, CentralUS, itrf2008, manual 2016-12-29, E, CentralUS, itrf2008, manual 2013-05-02, U, CentralUS, itrf2008, manual 2016-12-29, U, CentralUS, itrf2008, manual