READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 12948.884 125399.291 -12833.024 7.108436e-04 3.386140e-04 -2.622248e-04 0.120221 3.818625e-05 2.041141e-06 1.855942 7 0.634594 16618.384399 4.533328 2.710818