READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 22887.040 2900.336 -4693.196 7.117330e-03 1.802296e-03 -1.802296e-03 0.576840 2.839002e-04 1.535157e-05 1.860520 18 1.243555 4380.253100 249.189649 3.949036