READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 31144.150 270.490 -170.795 6.755128e-02 1.403903e-02 -1.403903e-02 1.000000 9.622686e-04 1.786888e-04 1.264428 24 0.424634 441.284800 298.980021 4.811678