READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 90675.526 7249.960 -10051.734 1.696957e-03 9.949634e-04 -7.348818e-04 0.241576 1.223529e-04 8.363875e-06 1.580022 5 0.511395 4179.669100 3.678679 2.309156