READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 45957.022 689.861 -365.713 5.566667e-03 4.057062e-03 -2.732384e-03 1.000000 4.770630e-05 5.367378e-06 1.991873 3 0.050357 1055.573300 4.222988 2.037293