norb: nrec:UTC date:thhmmssmss
    345      2 19990226 .054414900
    346     25 19990228 .235152870
    347     60 19990304 .185005070
    348     95 19990308 .135459560
    349    130 19990312 .090057580
    350    165 19990316 .040126090
    351    200 19990319 .225513330
    352    235 19990323 .182205960
    353    269 19990327 .131231230
    354    305 19990331 .081732400
    354    328 19990403 .234758250