READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 59583.726 775.212 -641.413 1.197397e-02 3.817886e-03 -3.168932e-03 1.000000 3.720921e-04 4.415921e-05 1.359947 13 0.527115 1416.624500 199.384278 3.778552