READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 25083.807 24576.315 -24997.839 2.633533e-03 1.365571e-03 -1.035718e-03 0.068532 1.538542e-04 1.101773e-05 1.633584 6 0.522703 3397.391500 4.241214 2.542711