READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 339253.206 51615.249 -23069.199 4.075028e-03 1.427004e-03 -1.174917e-03 0.052876 2.632744e-04 1.546000e-05 1.468273 12 1.039670 3948.997500 179.525933 3.468354