READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 77126.883 9132.492 -12189.915 2.934783e-03 1.665089e-03 -1.229838e-03 0.143342 1.181803e-04 9.401922e-06 1.933577 5 0.361206 3056.398700 4.073298 2.386317