READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 40466.505 31757.583 -32388.524 1.495131e-02 5.172435e-03 -4.222568e-03 0.026501 1.928249e-04 1.978342e-05 2.381603 11 0.327793 1699.949400 317.334273 3.540810