READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 295542.844 30685.841 -80045.141 8.988723e-03 2.344570e-03 -2.344570e-03 0.025021 2.393727e-04 1.961018e-05 1.623797 16 0.663198 2770.566500 282.283006 3.833847