READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 343743.278 23616.926 -86255.146 4.5060e-03 0.0000e+00 0.0000e+00 0.0451 6.9474e-05 4.0313e-06 2.3029 2 0.3442 4954.4248 1.8929 inf