READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 235972.930 13718.634 -4702.313 3.066135e-03 1.567013e-03 -1.189473e-03 0.194639 1.241862e-04 9.387597e-06 1.979017 6 0.445262 3585.439000 4.438696 2.577726