READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 15908.893 3900.901 -3374.876 8.624174e-03 2.068522e-03 -2.068522e-03 0.400436 2.830374e-04 2.251724e-05 1.382441 19 0.824624 2913.482600 277.048443 4.169245