READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 35549.625 84443.575 -2860.363 9.238239e-04 4.884962e-04 -3.708028e-04 0.113010 6.397369e-05 3.598801e-06 1.697645 6 0.631179 9866.225500 4.001128 2.491415