READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 67661.402 2573.319 -2511.519 8.240403e-03 4.464469e-03 -3.386080e-03 0.184417 8.080577e-04 7.811789e-05 1.474108 6 0.757740 937.730200 3.759921 2.433612