READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 169306.627 3922.088 -8409.204 2.023613e-03 1.834690e-03 -1.443861e-03 0.234234 1.344377e-03 3.895519e-05 1.875208 7 3.883113 2888.409600 1.548486 1.401529