READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 16407.558 381.175 -466.292 9.805349e-03 4.932198e-03 -3.740829e-03 1.000000 4.174806e-04 6.441866e-05 1.471788 6 0.353801 847.467400 4.712274 2.621170