READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 86977.540 10947.947 -6353.751 3.912208e-03 1.563310e-03 -1.249168e-03 0.241576 1.302662e-04 9.791408e-06 1.933744 9 0.544470 4179.669100 206.611184 3.131852