READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 38324.154 4105.614 -1988.034 4.818844e-03 2.508343e-03 -1.902454e-03 0.312711 2.854257e-04 2.542775e-05 1.683017 6 0.543892 1905.548000 4.191221 2.532962