READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 2881.395 6214.490 -352.727 5.302602e-03 3.862478e-03 -2.598329e-03 0.147753 4.823881e-05 1.454455e-05 1.742380 3 0.046807 970.325100 4.271887 2.040774