READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 22616.342 6926.917 -5198.698 9.563583e-03 4.606551e-03 -3.496695e-03 0.102975 8.524192e-05 1.461887e-05 2.026031 6 0.106436 1248.635400 322.870650 2.735035