READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 11070.779 6561.394 -6378.877 7.436473e-03 2.701466e-03 -2.183920e-03 0.216236 9.231140e-05 1.013249e-05 2.135942 10 0.258301 2798.146800 343.595858 3.405103