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

   71.072975          51        300.0
   71.076447          50        300.0
   71.079919          50        300.0
   71.083391          50        300.0
   71.086863          50        300.0
   71.090336          50        300.0
   71.093808          50        300.0
   71.097280          50        300.0
   71.100752          50        300.0
   71.104225          50        300.0
   71.107697          50        300.0
   71.111169          50        300.0
   71.114641          50        300.0
   71.118113          50        300.0
   71.121586          50        300.0
   71.125058          50        300.0
   71.128530          50        300.0
   71.132002          50        300.0
   71.135475          50        300.0
   71.138947          50        300.0
   71.142419          50        300.0
   71.145891          50        300.0
   71.149363          50        300.0
   71.152836          50        300.0
   71.156308          50        300.0
   71.159780          50        300.0
   71.163241          50        300.0
   71.166713          50        300.0
   71.170185          50        300.0