READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 33645.060 5091.238 -228.143 9.557448e-03 5.878686e-03 -4.182300e-03 0.125380 1.354482e-04 2.394409e-05 1.630246 4 0.090336 666.941800 4.666435 2.285213