READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 48497.541 8436.697 -3479.256 3.436989e-03 1.275000e-03 -1.030736e-03 0.352656 1.095143e-04 8.474470e-06 1.513945 10 0.460205 4202.234800 267.883634 3.334498