READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 392866.147 4642.328 -2229.277 5.667745e-03 1.896000e-03 -1.561063e-03 0.427273 1.794047e-04 1.474697e-05 1.450429 12 0.526741 2936.048300 264.984670 3.630696