READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 109448.909 8368.423 -20440.112 2.918618e-03 1.183702e-03 -9.569293e-04 0.157530 2.806485e-04 1.253845e-05 1.517913 10 1.273643 4538.213000 4.854532 3.049983