READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 12496.318 33750.363 -12423.176 1.309657e-03 4.466011e-04 -3.679192e-04 0.304035 5.330316e-05 2.695656e-06 1.633972 12 0.748290 14038.372700 297.328975 3.559633