READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 81627.154 563429.224 -34598.998 8.415994e-04 4.584965e-04 -3.477470e-04 0.018104 7.267064e-05 3.675112e-06 1.747860 6 0.786770 10826.521399 3.709300 2.420149