obs typ SSSS  first epoch    last epoch    St-En dt   #expt     #exp    #actu  e/a e/a      multi    Obs per  Tot  Group/           File
              yyyy-ddd hh:mm yyyy-ddd hh:mm  hrs  sec  24obs     obs      obs   24%   %    mp1   mp2    slip  Slps  Agency        Time Stamp
  gp  dz GAIT 1994:141 00:01 1994:141 23:59 23.17 30    22796    22760    19384  85  85   0.52   0.81    277    69  NgsCors     2009May02 12:10:31