READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 50629.489 12306.891 -17241.514 1.569929e-03 8.252077e-04 -6.258793e-04 0.168011 1.201895e-04 7.616700e-06 1.442502 6 0.596675 4964.453999 4.073610 2.508357