READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 30915.715 19516.842 -22056.804 9.661647e-03 2.222081e-03 -2.222081e-03 0.086786 1.310649e-05 4.633842e-06 1.839276 19 0.047288 3608.004700 1133.608270 4.348018