READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 92948.426 4646.451 -9029.960 7.689364e-03 1.814886e-03 -1.814886e-03 0.362811 2.116422e-04 1.360488e-05 2.013432 20 1.050157 4961.946700 280.710639 4.236831