READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 47470.771 5163.518 -2452.488 7.959447e-03 1.919018e-03 -1.919018e-03 0.483616 1.092064e-04 1.031903e-05 1.665917 18 0.402231 3683.223700 463.010196 4.147667