norb: nrec:UTC date:thhmmssmss
   2509      2 19980426 .010815001
   2513     47 19980427 .000900001
   2517     91 19980428 .010000001
   2521    135 19980429 .004800001
   2525    179 19980430 .001800001
   2529    228 19980501 .000130001
   2534    274 19980502 .003730001
   2538    320 19980503 .003815001
   2542    364 19980504 .010000001
   2546    410 19980505 .011545000
   2550    453 19980506 .002315000
   2554    497 19980507 .000045000
   2559    545 19980508 .000430000
   2563    593 19980509 .001330001
   2567    637 19980510 .002230001
   2571    681 19980511 .011415001
   2575    724 19980512 .002615001
   2579    770 19980513 .002530001
   2583    817 19980514 .000430000
   2588    865 19980515 .000130000
   2592    910 19980516 .000730000
   2596    954 19980517 .000515000
   2600    998 19980518 .002615000
   2604   1042 19980519 .005230000
   2608   1086 19980520 .003345000
   2612   1130 19980521 .000300000
   2617   1178 19980522 .001415000
   2621   1223 19980523 .004845000
   2625   1266 19980524 .000730000
   2629   1310 19980525 .003430000
   2633   1354 19980526 .010215000
   2637   1397 19980527 .001115000
   2641   1443 19980528 .000600000
   2646   1490 19980529 .001715000
   2650   1534 19980530 .000430000
   2654   1578 19980531 .000815000
   2658   1622 19980601 .005445000
   2662   1665 19980602 .000130000
   2666   1709 19980603 .001115000
   2670   1755 19980604 .000000000
   2670   1755 19980604 .000000000