READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 30785.589 20528.042 -12439.258 1.084364e-02 5.321540e-03 -4.039422e-03 0.055748 1.171790e-04 1.400557e-05 3.444944 6 0.215358 1837.850900 224.732274 2.684455