READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 68969.644 55789.156 -68849.730 8.872508e-04 4.481614e-04 -3.529742e-04 0.090042 1.463834e-04 5.102603e-06 1.566356 8 1.642813 11222.674800 3.552291 2.513642