READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 177727.698 19303.146 -76671.572 1.005673e-03 5.240075e-04 -4.057947e-04 0.096870 1.269943e-04 5.485316e-06 1.606772 7 1.180674 9297.068400 3.632143 2.478279