READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 26187.762 2791.200 -4442.405 9.594626e-03 2.382246e-03 -2.382246e-03 0.473481 2.659423e-04 1.742246e-05 1.922934 18 0.910845 3424.971800 286.387568 4.027554