READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 101586.481 64210.439 -22112.874 4.279055e-03 1.632379e-03 -1.319648e-03 0.048448 1.728718e-04 1.190099e-05 1.929046 10 0.722981 4182.176400 186.390201 3.242573