READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 161366.354 129323.685 -8252.237 1.510249e-03 1.124843e-03 -7.566934e-04 0.037452 2.165318e-05 2.843202e-06 2.694446 3 0.111568 5152.501500 3.656855 1.995853