READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 41120.421 38707.463 -30096.072 2.026766e-03 1.072505e-03 -8.141065e-04 0.059509 1.552007e-04 9.341982e-06 1.546772 6 0.635457 4094.420900 3.992229 2.489559