READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 73666.000 419354.338 -51988.018 8.751331e-04 4.780492e-04 -3.625768e-04 0.018693 9.091352e-05 4.682284e-06 1.483072 6 0.801007 8810.652200 3.684992 2.413649