READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 233663.226 8168.405 -9631.318 2.225451e-03 1.093426e-03 -8.473959e-04 0.289189 1.614736e-04 9.291764e-06 1.856943 7 0.831183 5147.486900 4.155117 2.626224