READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 86151.399 15509.247 -53228.419 5.645609e-03 2.429057e-03 -1.913138e-03 0.043662 1.788466e-04 9.600987e-06 2.270376 8 0.536761 3001.238100 259.006697 2.950969