READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 124726.464 74601.425 -71481.316 2.491527e-03 8.521192e-04 -7.015885e-04 0.057532 9.252475e-05 5.519564e-06 1.865975 12 0.777621 8404.469600 241.918912 3.551266