READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 29777.006 16758.531 -8031.649 1.566824e-03 9.887029e-04 -7.298821e-04 0.174873 1.912705e-04 1.088100e-05 1.628475 5 0.829181 4335.121700 3.085308 2.146680