READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 16000.640 379100.710 -6996.200 9.555716e-04 4.751210e-04 -3.682148e-04 0.023112 1.013007e-04 4.019997e-06 1.398790 7 0.903955 8923.480699 4.033458 2.595147