READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 32523.916 29723.770 -21812.089 4.133940e-03 2.599928e-03 -1.849679e-03 0.031721 1.076743e-04 1.965854e-05 1.767259 4 0.176022 1634.759600 4.096666 2.234950