%  dbname: ../adcpdb/a_ex  output: a_ex_npings.txt  step_size= 1  year_base= 2016
%
%       Time        NPings   NSecs

  339.346933          50        300.0
  339.350475          50        300.0
  339.353947          50        300.0
  339.357419          50        300.0
  339.360891          50        300.0
  339.364363          50        300.0
  339.367836          50        300.0
  339.371308          50        300.0
  339.374780          50        300.0
  339.378252          50        300.0
  339.381725          50        300.0
  339.385197          50        300.0
  339.388669          50        300.0
  339.392141          50        300.0
  339.395613          50        300.0
  339.399086          50        300.0
  339.402558          50        300.0
  339.406030          50        300.0
  339.409502          50        300.0
  339.412975          50        300.0
  339.416447          50        300.0
  339.419919          50        300.0
  339.423391          50        300.0
  339.426863          50        300.0
  339.430336          50        300.0
  339.433808          50        300.0
  339.437280          50        300.0
  339.440752          50        300.0
  339.444225          50        300.0
  339.447697          50        300.0
  339.451169          50        300.0
  339.454641          50        300.0
  339.458113          50        300.0
  339.461586          50        300.0
  339.465058          50        300.0
  339.468530          50        300.0
  339.472002          50        300.0
  339.475475          50        300.0
  339.478947          50        300.0
  339.482419          50        300.0
  339.485891          50        300.0
  339.489363          50        300.0
  339.492836          50        300.0
  339.496308          50        300.0
  339.499769          50        300.0
  339.503241          50        300.0
  339.506713          50        300.0
  339.510185          50        300.0
  339.513657          50        300.0
  339.517130          50        300.0
  339.520602          50        300.0
  339.524074          50        300.0
  339.527546          50        300.0
  339.531019          50        300.0
  339.534491          50        300.0
  339.537963          50        300.0
  339.541435          50        300.0
  339.544907          50        300.0
  339.548380          50        300.0
  339.551852          50        300.0
  339.555324          50        300.0
  339.558796          50        300.0
  339.562269          50        300.0
  339.565741          50        300.0
  339.569213          50        300.0
  339.572685          50        300.0
  339.576157          50        300.0
  339.579630          50        300.0
  339.583102          50        300.0
  339.586574          50        300.0
  339.590046          50        300.0
  339.593519          50        300.0
  339.596991          50        300.0
  339.600463          50        300.0
  339.603935          50        300.0
  339.607407          50        300.0
  339.610880          50        300.0
  339.614352          50        300.0
  339.617824          50        300.0
  339.621296          50        300.0
  339.624769          50        300.0
  339.628241          50        300.0
  339.631713          50        300.0
  339.635185          50        300.0
  339.638657          50        300.0
  339.642130          50        300.0