READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 51999.257 586810.116 -34885.057 1.119864e-03 5.333475e-04 -4.203643e-04 0.015212 1.332671e-04 5.682528e-06 1.571387 8 1.260378 9457.535599 3.997195 2.664032