READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 55989.059 58066.175 -38581.402 2.085174e-03 8.016764e-04 -6.480916e-04 0.088153 9.331017e-05 5.105705e-06 1.929960 10 0.794984 8519.805400 211.611420 3.217407