READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 33836.605 11810.554 -4701.201 1.457356e-03 8.873157e-04 -6.876257e-04 0.294436 4.174985e-04 1.626343e-05 1.425586 7 2.029734 4861.654700 2.747620 2.119403