READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 1009.332 23263.103 -941.010 7.008515e-03 1.274780e-03 -1.274780e-03 0.276274 2.115945e-04 1.079789e-05 1.483793 33 1.414926 6686.969100 437.435211 5.497821