In the whirlwind of the modern digital electronic revolution the days of analogue electronics, when International Telecommunications was conducted without satellites or fibre optic cables, are often forgotten if not unimagined.
This book tells the story, following the initial work of Marconi, of how radio.
Yet for a substantial part of the 20th century this was the case, and the global telephone and telegraph services were carried through the medium of long wave and short wave radio.
In the whirlwind of the modern digital electronic revolution the days of analogue electronics, when International Telecommunications was conducted without satellites or fibre optic cables, are often forgotten if not unimagined