READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 26118.803 27476.778 -18779.219 8.006059e-03 4.115372e-03 -3.123856e-03 0.036588 2.820284e-04 2.464094e-05 2.453318 6 0.477313 1692.427500 4.353879 2.562877