READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 15693.448 8917.175 -8449.875 3.011856e-02 1.232454e-02 -9.706872e-03 0.041290 2.128721e-04 3.886496e-05 2.752345 8 0.152648 717.087800 281.574050 3.102807