%  dbname: ../adcpdb/a_ex  output: a_ex_npings.txt  step_size= 1  year_base= 2018
%
%       Time        NPings   NSecs

  154.537616          51        300.0
  154.541065          50        300.0
  154.544537          50        300.0
  154.548009          50        300.0
  154.551481          50        300.0
  154.554954          50        300.0
  154.558426          50        300.0
  154.561898          50        300.0
  154.565370          50        300.0
  154.568843          50        300.0
  154.572315          50        300.0
  154.575787          50        300.0
  154.579259          50        300.0
  154.582731          50        300.0
  154.586204          50        300.0
  154.589676          50        300.0
  154.593148          50        300.0
  154.596620          50        300.0
  154.600093          50        300.0
  154.603565          50        300.0
  154.607037          50        300.0
  154.610509          50        300.0
  154.613981          50        300.0
  154.617454          50        300.0
  154.620926          50        300.0
  154.624398          50        300.0
  154.627870          50        300.0
  154.631343          50        300.0
  154.634815          50        300.0