READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 47488.684 240.845 -318.282 1.724458e-02 7.882420e-03 -6.108810e-03 1.000000 6.597574e-04 6.532572e-05 1.454068 7 0.368889 559.127900 181.547778 2.822903