READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 21834.239 554.893 -538.289 1.818684e-02 5.585395e-03 -4.669668e-03 1.000000 5.618003e-04 6.166559e-05 1.485249 14 0.614150 1093.182800 198.568454 3.894676