READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 22618.903 14733.333 -13928.704 1.557152e-02 4.032794e-03 -4.032794e-03 0.065346 2.954708e-04 3.167779e-05 1.888101 16 0.553403 1872.953100 260.346042 3.861225