READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 84977.036 7238.258 -5377.296 4.189696e-03 2.272988e-03 -1.725357e-03 0.185431 3.280329e-04 2.479695e-05 1.872922 6 0.767371 2339.310900 3.742959 2.428306