READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 91472.586 6452.898 -10848.796 4.830546e-03 1.569661e-03 -1.302854e-03 0.241576 1.819970e-04 1.296675e-05 1.649651 13 0.760687 4179.669100 225.831244 3.707664