READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 85023.237 12783.253 -52100.257 6.261025e-03 1.580633e-03 -1.580633e-03 0.071142 2.582713e-04 1.540718e-05 1.719467 18 1.192165 4615.939300 236.335343 3.961088