READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 7417.577 130930.599 -7301.715 6.570899e-04 3.240526e-04 -2.554060e-04 0.120221 8.971557e-05 3.177888e-06 1.677642 8 1.490928 16618.384399 3.718030 2.572727