Date, Component, Network, Datatype, Method 1999-08-21, N, Southern_California, nafixed, manual 2003-01-17, N, Southern_California, nafixed, manual 2010-04-04, N, Southern_California, nafixed, manual 2016-05-23, N, Southern_California, nafixed, manual 2017-09-07, N, Southern_California, nafixed, manual 1999-08-21, E, Southern_California, nafixed, manual 2003-01-17, E, Southern_California, nafixed, manual 2010-04-04, E, Southern_California, nafixed, manual 2016-05-23, E, Southern_California, nafixed, manual 2017-09-07, E, Southern_California, nafixed, manual 2021-07-28, E, Southern_California, nafixed, automatic 2021-08-11, E, Southern_California, nafixed, automatic 1999-08-21, U, Southern_California, nafixed, manual 2003-01-17, U, Southern_California, nafixed, manual 2010-04-04, U, Southern_California, nafixed, manual 2016-05-23, U, Southern_California, nafixed, manual 2017-09-07, U, Southern_California, nafixed, manual