Golden Jubilee Memorial |
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absorption APPLETON Assembly atomic standards Bulletin Chairman Circuits Comité Commission II Commission VII discussion distance earth electronics été F region Fasc FERRIÉ field strength France frequency Herbays important intensity interest International Days International Geophysical International Polar ionization J. A. RATCLIFFE J. H. DELLINGER Joint Commission kc/s Kennelly-Heaviside layer l'Assemblée Générale la Galaxie lightning discharges London Assembly magnetic field Mc/s measurements meeting meteorological microwave Mixed Commission National Committee observations organised parameters phenomena phénomènes physics Polar Présidents problems Proceedings of Commission Prof programme R. L. SMITH-ROSE radar radiation Radio Noise radio science Radio Wave Propagation radio waves Radioastronomie radioélectriques radiosources recommended recording refractive index region reported resolution rocket satellite Scientific Unions session signal Soleil sources space research standards stations Sub-Commission sunspot techniques terrestrial theory transmission Travaux tropospheric upper atmosphere Ursigrammes variations W. J. G. BEYNON wave propagation waveforms wavelengths whistlers World