norb: nrec:UTC date:thhmmssmss
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     72     15 19960428 .021800000
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     73     32 19960430 .015100000
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     74     59 19960503 .001330000
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     74     90 19960506 .014800000
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     75    110 19960508 .001800000
     75    119 19960509 .001500000
     76    128 19960510 .003900000
     76    135 19960511 .032400000
     76    140 19960512 .003600000
     76    146 19960513 .004330000
     77    155 19960514 .014500000
     77    166 19960515 .011500000
     77    180 19960516 .003900000
     77    195 19960517 .011030000
     78    205 19960518 .003900000
     78    217 19960519 .004030000
     78    232 19960520 .011330000
     78    244 19960521 .023600000
     79    252 19960522 .013730000
     79    259 19960523 .005230000
     79    266 19960524 .010600000
     79    270 19960525 .024200000
     80    278 19960526 .011030000
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     81    310 19960530 .021030000
     81    320 19960531 .010130000
     81    333 19960601 .020130000
     82    343 19960602 .020730000
     82    352 19960603 .004930000
     82    363 19960604 .000000000
     82    363 19960604 .000000000