READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 64466.394 226223.645 -25182.633 1.409561e-03 4.876326e-04 -4.047461e-04 0.055740 1.073222e-04 3.977625e-06 1.718215 13 1.503938 14013.299700 206.245688 3.482581