READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 397.776 1282.060 -320.104 2.355388e-02 4.454385e-03 -4.454385e-03 1.000000 3.261426e-04 3.791330e-05 1.325160 29 0.522534 1602.164700 468.816159 5.287796