READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 2834.047 32627.543 -1220.150 3.800879e-03 1.437720e-03 -1.162282e-03 0.108743 1.748690e-04 1.258735e-05 1.495292 10 0.643643 3680.716400 201.948331 3.270185