Date, Component, Network, Datatype, Method 2010-04-04, N, Southern_California, nafixed, manual 2012-03-23, N, Southern_California, nafixed, manual 2010-04-04, E, Southern_California, nafixed, manual 2012-03-23, E, Southern_California, nafixed, manual 2010-04-04, U, Southern_California, nafixed, manual 2012-03-23, U, Southern_California, nafixed, manual