READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 138351.200 445649.141 -71588.968 3.715749e-03 9.563976e-04 -9.563976e-04 0.011944 1.585969e-04 8.513925e-06 1.432932 17 0.979809 6177.987199 304.572603 3.885151