READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 225692.120 8849.521 -3706.406 1.205970e-03 8.260774e-04 -5.873565e-04 0.402776 9.663372e-05 6.399725e-06 1.737072 4 0.488698 5057.224100 3.092559 2.053216