READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 42386.249 602.070 -644.058 1.957191e-02 4.721295e-03 -4.721295e-03 1.000000 7.436421e-04 7.090349e-05 1.349453 19 0.926673 1246.128100 204.553917 4.145454