READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 33233.436 39941.364 -12491.792 5.676723e-03 2.720994e-03 -2.063740e-03 0.035386 4.020469e-05 8.040939e-06 1.777654 6 0.074596 1855.402000 397.167036 2.750696