READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 75047.906 59826.388 -19133.274 1.487294e-03 5.380349e-04 -5.380349e-04 0.186969 2.906529e-04 6.186906e-06 2.050304 15 4.290904 14762.982400 117.247937 2.764308