An Illustrated History of Ionospheric Science at RAL
Part 1: The Development of Radio-Sounding Techniques
1920
The formation of the Radio Research Board
1920-24
Atmospheric Research Station at Aldershot
1924
The first ionospheric layer is discovered.
1927
The birth of the Radio Research Station
1932
The Second International Polar Year
1935
The invention of Radar
1939
The outbreak of the second World War.
1948
More outstations are created
1946-57
Post war developments
1957
The International Geophysical Year (IGY).
Part II - Ionospheric Science Enters the Space Age
1957
Sputnik 1 launches the space age
1963
Atmospheric Rocketry studies
1965
The station renamed 'Radio and Space Research Station'
1973
Site renamed The Appleton Laboratory
1979
Merger forms the Rutherford Appleton Laboratory
