READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 250926.387 3264.603 -9291.419 4.6667e-03 0.0000e+00 0.0000e+00 0.3191 2.2745e-04 1.3333e-05 1.4907 4 0.9113 4006.6654 2.3802 inf