READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 80793.917 91834.572 -46035.383 4.361132e-03 1.584777e-03 -1.305572e-03 0.028025 3.729818e-04 1.752421e-05 1.595825 12 1.441108 3863.749300 155.944810 3.340399