READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 40432.608 8302.027 -4360.987 5.182145e-03 1.924275e-03 -1.571848e-03 0.231464 3.617378e-04 2.283269e-05 1.528072 11 1.060266 2931.033700 148.524099 3.296849