READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 82498.192 1653.858 -5463.535 1.744911e-02 4.061172e-03 -4.061172e-03 0.309652 8.359871e-04 4.673310e-05 1.907790 22 1.842446 2203.916700 195.712276 4.296569