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Radio communications from early days to satellites
Author(s) -
Bargellini Pier L.
Publication year - 1975
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/rs010i007p00719
Subject(s) - high frequency , radio communications , communications satellite , telecommunications , radio wave , reliability (semiconductor) , communications system , range (aeronautics) , computer science , meteorology , satellite , physics , ionosphere , astronomy , aerospace engineering , engineering , computer network , power (physics) , quantum mechanics
The successes of Marconi in establishing radio communications, first with LF and VLF, and later with HF waves, are interpreted in terms of the (range)(rate) 1/2 relationship of space communications. The evolution of the technology from the late thirties to that associated with present‐day communications satellites characterized by high capacity and reliability is outlined.