READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 69406.950 7877.811 -10825.764 6.017822e-03 2.700625e-03 -2.092962e-03 0.086465 1.520793e-04 1.844233e-05 1.440935 7 0.245944 1617.208500 226.455491 2.875266