READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 22764.648 104017.628 -4570.803 1.304314e-03 6.116770e-04 -4.817599e-04 0.068854 1.541523e-04 7.459954e-06 1.424281 8 1.152561 7476.768599 4.141846 2.707394