READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 170841.568 9329.862 -14273.528 6.871939e-03 1.666315e-03 -1.666315e-03 0.208097 2.078996e-04 1.508262e-05 1.877407 19 1.021161 4911.800700 242.685611 4.124033