READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 202964.468 55112.819 -185699.267 8.105183e-03 1.901402e-03 -1.901402e-03 0.017242 1.008141e-04 8.097585e-06 1.811135 19 0.418589 4152.088799 552.658082 4.262741