READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 3084.879 3441.430 -2100.765 5.740770e-03 3.676845e-03 -2.615834e-03 0.197700 2.234824e-04 2.838229e-05 1.675128 4 0.244867 1095.690100 3.791387 2.194623