READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 321556.661 21963.010 -11567.035 8.898099e-04 7.278414e-04 -4.903103e-04 0.148957 7.490689e-05 4.636620e-06 1.692381 3 0.374126 4994.541599 2.646882 1.814789