READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 122622.101 38713.947 -8411.880 1.531162e-03 8.543604e-04 -6.310322e-04 0.110772 5.418937e-05 4.547471e-06 1.694503 5 0.282879 5220.198599 4.336291 2.426440