READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 11549.610 16809.593 -11407.736 1.348747e-03 8.044859e-04 -6.105929e-04 0.193797 2.270893e-04 1.340466e-05 1.550130 6 1.241820 5468.421300 3.062706 2.208914