READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 135998.549 9561.245 -9561.245 2.5923e-03 0.0000e+00 0.0000e+00 0.2183 8.8622e-05 6.3464e-06 1.8296 0 0.3700 4174.6545 0.0000 inf