norb: nrec:UTC date:thhmmssmss
    622      2 19970126 .011030000
    626     46 19970127 .003045000
    630     91 19970128 .000300000
    635    139 19970129 .001630000
    639    184 19970130 .004845000
    643    228 19970131 .004545000
    647    275 19970201 .005530000
    651    319 19970202 .005915000
    655    363 19970203 .001845000
    659    410 19970204 .000600000
    664    457 19970205 .002400000
    668    501 19970206 .001115000
    672    546 19970207 .010345000
    676    592 19970208 .011200000
    680    635 19970209 .000645000
    684    680 19970210 .002015000
    688    727 19970211 .000430000
    693    773 19970212 .000730000
    697    820 19970213 .000300001
    701    865 19970214 .005445001
    705    909 19970215 .005745001
    709    953 19970216 .004800001
    713   1000 19970217 .001800000
    718   1048 19970218 .000600000
    722   1097 19970219 .004030000
    726   1141 19970220 .002100000
    730   1188 19970221 .010300000
    734   1232 19970222 .011630000
    738   1278 19970223 .002615000
    742   1323 19970224 .001245000
    747   1374 19970225 .002015000
    751   1419 19970226 .004930000
    755   1465 19970227 .001115000
    759   1509 19970228 .002015000
    763   1556 19970301 .004030000
    767   1600 19970302 .002745000
    771   1647 19970303 .000000000
    776   1696 19970304 .000000000
    776   1696 19970304 .000000000