norb: nrec:UTC date:thhmmssmss
   1501      2 19970826 .010430001
   1505     45 19970827 .001030001
   1509     94 19970828 .000430000
   1514    141 19970829 .001545000
   1518    188 19970830 .003345001
   1522    232 19970831 .004030001
   1526    278 19970901 .005615000
   1530    322 19970902 .005445000
   1534    368 19970903 .000945000
   1538    415 19970904 .000215000
   1543    465 19970905 .002615001
   1547    509 19970906 .001330001
   1551    556 19970907 .002200001
   1555    600 19970908 .002245001
   1559    646 19970909 .002330000
   1563    690 19970910 .000915000
   1567    740 19970911 .000645001
   1572    786 19970912 .002915001
   1576    833 19970913 .010130000
   1580    877 19970914 .010345000
   1584    923 19970915 .002015000
   1588    967 19970916 .001500000
   1592   1014 19970917 .001715001
   1597   1062 19970918 .000730001
   1601   1110 19970919 .004215000
   1605   1154 19970920 .002715000
   1609   1200 19970921 .000300000
   1613   1244 19970922 .002915000
   1617   1291 19970923 .003215001
   1621   1335 19970924 .000000001
   1626   1386 19970925 .000945001
   1630   1431 19970926 .002615001
   1634   1478 19970927 .004345000
   1638   1522 19970928 .011215000
   1642   1569 19970929 .010700000
   1646   1613 19970930 .003745000
   1650   1660 19971001 .000700000
   1655   1708 19971002 .000530000
   1659   1755 19971003 .000700000
   1663   1800 19971004 .000000000
   1663   1800 19971004 .000000000