READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 64259.765 9383.500 -8876.831 8.878426e-03 1.767190e-03 -1.767190e-03 0.271047 2.854255e-04 1.500163e-05 1.652780 28 1.412688 4949.410200 358.082050 5.024035