READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 39210.507 771.386 -615.933 2.8572e-01 0.0000e+00 0.0000e+00 0.1175 1.8417e-01 3.0142e-03 1.5543 39 30.0142 162.9745 1.7814 inf