norb: nrec:UTC date:thhmmssmss
   4022      2 19990426 .002100000
   4027     49 19990427 .000815000
   4031     94 19990428 .002315000
   4035    138 19990429 .003815000
   4039    181 19990430 .000215000
   4043    225 19990501 .004115000
   4047    269 19990502 .003900000
   4051    313 19990503 .000945000
   4056    361 19990504 .002230000
   4060    405 19990505 .001500000
   4064    449 19990506 .004030000
   4068    493 19990507 .011930000
   4072    536 19990508 .002830000
   4076    580 19990509 .002700000
   4080    625 19990510 .000730000
   4085    672 19990511 .000730000
   4089    717 19990512 .004415000
   4093    760 19990513 .000945000
   4097    804 19990514 .005230000
   4101    847 19990515 .001845000
   4105    891 19990516 .001715000
   4109    937 19990517 .000430000
   4114    984 19990518 .002400000
   4118   1028 19990519 .001630000
   4122   1072 19990520 .003645000
   4126   1116 19990521 .011800000
   4130   1159 19990522 .002830000
   4134   1203 19990523 .001415000
   4138   1250 19990524 .000600000
   4143   1296 19990525 .002400000
   4147   1340 19990526 .002700000
   4151   1384 19990527 .011330000
   4155   1427 19990528 .002700000
   4159   1471 19990529 .004200000
   4163   1515 19990530 .001800000
   4168   1562 19990531 .000345000
   4172   1607 19990601 .000215000
   4176   1652 19990602 .010900000
   4180   1695 19990603 .001415000
   4184   1739 19990604 .000000000
   4184   1739 19990604 .000000000