READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 35955.667 90826.609 -17761.820 6.450319e-04 4.847843e-04 -3.451487e-04 0.068854 1.080371e-04 5.277958e-06 1.510888 4 0.807768 7476.768599 2.524824 1.868852