READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 9509.490 987.493 -614.672 1.466924e-02 3.715139e-03 -3.715139e-03 1.000000 4.476571e-04 4.667148e-05 1.443399 17 0.717220 1602.164700 217.755850 3.948505