READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 53684.575 44147.221 -29466.741 3.289595e-03 1.318446e-03 -1.065859e-03 0.073161 2.171904e-04 1.670696e-05 2.006422 10 1.169718 5385.680400 98.137881 3.086333