READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 11267.060 29160.589 -4651.633 4.718817e-03 1.885954e-03 -1.552792e-03 0.104631 6.774380e-04 3.349715e-05 1.738439 12 2.396640 3537.800300 4.411298 3.038924