READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 131299.647 30036.394 -17089.419 1.015471e-03 7.019852e-04 -4.991246e-04 0.110772 9.974094e-05 6.866449e-06 1.523702 4 0.520668 5220.198599 3.023849 2.034503