READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 69682.599 22154.978 -57752.032 1.648180e-02 6.078480e-03 -4.913968e-03 0.010072 5.021314e-04 7.247642e-05 1.382375 10 0.404137 804.843300 164.503803 3.354072