READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 4690.856 780.185 -977.432 1.888223e-02 6.069725e-03 -5.038009e-03 1.000000 3.573453e-04 3.685735e-05 2.682488 13 0.628076 1757.617300 190.980409 3.747955