READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 13039.701 21241.401 -9942.873 6.006782e-04 5.275029e-04 -3.555286e-04 0.276907 6.511545e-05 3.318591e-06 2.127539 3 0.562281 8635.141199 2.254684 1.689536