READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 81647.937 185.365 -792.482 9.079638e-03 4.806330e-03 -3.546791e-03 1.000000 2.631953e-05 1.861072e-05 1.784981 5 0.025736 977.847000 273.334718 2.559959