READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 36811.392 8835.767 -7675.996 2.232984e-03 1.024715e-03 -8.076411e-04 0.294436 2.067616e-04 1.083725e-05 1.551965 8 1.005203 4861.654700 4.358247 2.764822