READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 606614.622 915185.814 -360430.302 4.112370e-03 1.556244e-03 -1.243521e-03 0.003157 1.760969e-05 3.270038e-06 1.854561 9 0.070909 4026.723800 678.113900 3.307037