norb: nrec:UTC date:thhmmssmss
    345      2 19990226 .054618940
    346     25 19990228 .235408420
    347     60 19990304 .185231970
    348     95 19990308 .135738080
    349    130 19990312 .090348040
    350    165 19990316 .040428570
    351    200 19990319 .225826960
    352    234 19990323 .181805000
    353    270 19990327 .132332670
    354    304 19990331 .081355610
    354    328 19990403 .235158100