READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 34331.242 3507.477 -9626.907 1.146062e-02 6.937525e-03 -4.935595e-03 0.068723 3.039638e-05 8.774680e-06 2.603744 4 0.027437 902.628000 501.569060 2.322034