The History of Initial Period of Earth Passive Remote Sensing Development (from the second half of the 1940s till the first half of the 1960s)
The basic physical and technical data of initial period history of the Earth passive microwave remote sensing development (from the second half of the 1940s till the first half of the 1960s) is given in the article. Both military and civil use options of the earth, sea, avia and space based passive microwave radar stations are represented. The contribution of the Soviet (including Leningrad) and foreign scientists and specialists to the Earth passive microwave remote sensing methods and systems development is described.