READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 307994.380 342761.681 -260966.220 1.796141e-03 4.728434e-04 -4.728434e-04 0.022451 9.861702e-05 3.904285e-06 1.554317 17 1.336701 13554.463799 295.977943 3.798595