READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 139460.208 1208.391 -3372.234 5.673870e-03 3.470411e-03 -2.468970e-03 0.252885 5.850958e-05 1.764130e-05 1.671530 4 0.067776 1158.372600 4.895303 2.298071