READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 56580.742 86850.844 -26839.703 9.024744e-04 5.154144e-04 -3.912356e-04 0.069910 1.295226e-04 6.105753e-06 1.442968 6 1.029464 7948.141000 3.335578 2.306729