READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 142553.335 6294.171 -28480.096 3.324711e-03 1.489140e-03 -1.172855e-03 0.138508 1.724292e-04 8.928046e-06 2.233721 8 0.830509 4816.523300 4.650458 2.834717