READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 177417.562 1871.188 -2704.771 8.978140e-03 5.075020e-03 -3.745068e-03 0.202186 3.691760e-04 4.614700e-05 1.783280 5 0.341559 925.193700 4.134430 2.397324