READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 33137.414 240.778 -433.685 9.914191e-03 6.274640e-03 -4.463995e-03 1.000000 2.972430e-04 4.821918e-05 1.759674 4 0.200480 674.463700 3.978328 2.220923