READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 128523.932 485947.221 -37384.127 2.012737e-03 8.594278e-04 -6.768897e-04 0.015274 6.001929e-05 3.549015e-06 2.139409 8 0.479750 7993.272400 265.093961 2.973507