READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 75572.176 636.634 -481.622 2.757752e-02 5.719632e-03 -5.719632e-03 1.000000 3.376603e-04 5.273367e-05 1.305486 24 0.377591 1118.255800 400.585290 4.821555