READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 173890.179 6281.252 -17322.135 1.430952e-03 8.809201e-04 -6.500675e-04 0.208097 1.471544e-04 8.510157e-06 1.643336 5 0.722793 4911.800700 3.259528 2.201235