READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 109669.011 6522.337 -11644.525 2.379113e-03 1.125502e-03 -8.722547e-04 0.221652 1.473495e-04 1.068986e-05 1.495244 7 0.593336 4026.723800 4.624550 2.727544