READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 225156.824 9958.513 -8449.235 1.520784e-03 8.329851e-04 -6.317781e-04 0.298542 1.482263e-04 8.260328e-06 1.611854 6 0.814577 5495.494300 3.662133 2.407149