READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 20497.782 24066.376 -9089.894 2.528058e-03 9.819072e-04 -8.020726e-04 0.160996 2.805324e-04 1.346598e-05 1.420065 11 1.497494 5338.041700 4.969844 3.151907 148692.685 5013.459 -7828.368 2.295508e-03 1.063287e-03 -8.380427e-04 0.350660 2.377066e-04 1.423112e-05 1.491620 8 1.070419 4503.110800 4.259524 2.739130