READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 53285.645 39344.851 -39847.452 6.968941e-03 4.493379e-03 -3.196745e-03 0.009625 3.537117e-04 6.252798e-05 1.424091 4 0.269606 762.219200 3.699254 2.180012