READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 36433.899 15915.047 -8719.126 1.969649e-03 1.042065e-03 -7.903548e-04 0.165293 1.551934e-04 9.737698e-06 1.494062 6 0.631925 4071.855200 3.999505 2.492108