READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 33305.353 886.462 -838.560 1.997632e-02 3.941495e-03 -3.941495e-03 1.000000 3.839709e-04 4.116600e-05 1.308378 27 0.662358 1725.022400 370.888605 5.068208