READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 22510.641 18746.640 -19463.418 1.751023e-03 1.021883e-03 -7.547649e-04 0.105056 1.221433e-04 7.725018e-06 1.558522 5 0.490306 4014.187300 3.727757 2.319959