READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 108915.092 110.291 -1390.853 4.034526e-03 3.091316e-03 -2.081965e-03 0.982112 1.316295e-04 1.480948e-05 2.119769 3 0.194060 1474.292400 3.220558 1.937845