Radio studies during the international geophysical year 1957¿8

The knowledge gained in the previous International Polar Years is briefly reviewed and some of the plans for radio measurements in the present I.G.Y. are described. The ionospheric investigations to be carried out are discussed under headings of vertical soundings, ionospheric drift measurements, back-scatter soundings, radio noise and atmospheric studies, and rockets and satellites; methods used and particular problems it is hoped to solve are briefly described.