READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 7038.166 674.422 -514.038 1.206356e-02 4.451219e-03 -3.596182e-03 1.000000 3.412042e-04 3.913880e-05 1.494377 10 0.405508 1188.460200 206.267023 3.354545