READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 6956.760 397.133 -269.809 3.753114e-02 9.457459e-03 -9.457459e-03 1.000000 9.528725e-04 1.033535e-04 1.529598 17 0.635511 666.941800 237.404630 3.968417