READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 53905.640 17260.409 -35480.037 1.820411e-03 1.081318e-03 -7.986636e-04 0.069314 1.557445e-04 1.062169e-05 1.501867 5 0.569346 3655.643400 3.551686 2.279321