norb: nrec:UTC date:thhmmssmss
   1120      2 19970526 .010430000
   1124     48 19970527 .004630001
   1128     92 19970528 .010215001
   1132    136 19970529 .005315001
   1136    180 19970530 .002145001
   1140    229 19970531 .000045001
   1145    276 19970601 .002315001
   1149    320 19970602 .001245001
   1153    364 19970603 .001415001
   1157    411 19970604 .010815001
   1161    454 19970605 .000600001
   1165    499 19970606 .002015001
   1169    546 19970607 .000000001
   1174    595 19970608 .002530001
   1178    639 19970609 .001800001
   1182    683 19970610 .002530001
   1186    727 19970611 .003900001
   1190    771 19970612 .003600001
   1194    815 19970613 .000345001
   1199    864 19970614 .001800001
   1203    909 19970615 .003815001
   1207    953 19970616 .004500001
   1211    997 19970617 .005100001
   1215   1044 19970618 .005230001
   1219   1088 19970619 .003730001
   1223   1132 19970620 .000345001
   1228   1183 19970621 .002015001
   1232   1227 19970622 .000000001
   1236   1272 19970623 .010515001
   1240   1318 19970624 .000900000
   1244   1362 19970625 .002315000
   1248   1409 19970626 .003345001
   1252   1454 19970627 .000730001
   1257   1504 19970628 .002615001
   1261   1551 19970629 .005745001
   1265   1595 19970630 .005915001
   1269   1641 19970701 .000515001
   1273   1685 19970702 .003300001
   1277   1732 19970703 .002145001
   1281   1780 19970704 .000000000
   1281   1780 19970704 .000000000