READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 107891.512 12348.379 -4888.727 3.712628e-03 1.358611e-03 -1.109115e-03 0.268664 1.967462e-04 1.269992e-05 1.704145 11 0.911129 4630.983100 171.541248 3.347379