READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 2006.373 4825.972 -938.681 7.388621e-03 3.562531e-03 -2.958317e-03 0.320554 2.574988e-03 1.065538e-04 1.656550 13 4.758269 1847.880100 3.157721 2.497576