READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 26091.224 268.706 -4824.119 1.763824e-02 8.627732e-03 -6.543710e-03 0.115203 3.301576e-04 5.836418e-05 1.782381 6 0.193706 586.708200 169.562764 2.695450