READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 17322.075 36273.505 -9140.886 5.162518e-03 3.347494e-03 -2.381523e-03 0.033181 1.932416e-04 1.817864e-05 2.097420 4 0.291193 1506.887300 3.624312 2.167738