Arrival  time               delay
  1a     -850         0
  1b     -825 *      25 mms =   5 lambdas 
  2a     -590       260 mms =  52 lambdas  
  2b     -540       310 mms =  62 lambdas
  3a     -480 *     370 mms =  74 lambdas
  3b     -360       490 mms =  98 lambdas
  4a     -230       620 mms = 124 lambdas
  4b     -160       690 mms = 138 lambdas
  5a       15       865 mms = 173 lambdas
  5b      105       955 mms = 191 lambdas
  6a      210      1055 mms = 211 lambdas
  6b      290      1140 mms = 228 lambdas
  7a      500      1350 mms = 270 lambdas

  * - not clearly indicated in the data.