READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 11580.056 23661.454 -4964.630 7.201270e-03 1.984395e-03 -1.984395e-03 0.117718 2.791622e-04 2.879338e-05 1.726043 15 0.940724 3369.811200 144.898781 3.628951