READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 33706.977 802.704 -638.994 2.355177e-02 9.179517e-03 -9.179517e-03 1.000000 8.944108e-03 2.089654e-04 2.590900 26 12.894698 1441.697500 43.500936 2.565687