READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 66614.738 940.758 -856.976 1.716285e-02 3.826874e-03 -3.826874e-03 1.000000 5.344713e-04 4.742666e-05 1.466515 22 0.960837 1797.734100 246.763238 4.484824