READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 142889.151 4486.153 -18878.148 6.745185e-04 7.521903e-04 -4.615342e-04 0.211514 7.072884e-05 5.091174e-06 2.020239 2 0.349534 4941.888300 1.880832 1.461470