READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 9207.089 11463.499 -496.623 2.106565e-03 1.205518e-03 -8.896014e-04 0.329342 1.011778e-04 6.932585e-06 1.803454 5 0.398536 3938.968300 3.964146 2.367988