READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 67305.883 52188.260 -67185.969 2.084939e-03 5.752811e-04 -5.752811e-04 0.090337 1.905365e-04 6.678300e-06 1.504406 17 2.054726 10783.897300 207.521067 3.624209