READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 6572.223 3581.506 -1810.921 5.540570e-03 2.988161e-03 -2.268224e-03 0.292929 4.662177e-04 3.209575e-05 1.662591 6 0.736437 1579.599000 3.798048 2.442691