READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 9310.154 4313.165 -2810.410 2.060752e-03 1.239653e-03 -9.147914e-04 0.456508 1.914794e-04 1.347245e-05 1.531072 5 0.622685 3251.968100 3.443582 2.252702