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The Heinrich Hertz wireless experiments at Karlsruhe in the view of modern communication

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2 Author(s)
D. J. Cichon ; Karlsruhe Univ., Germany ; W. Wiesbeck

Highlights the contributions of Heinrich Hertz by his experiments, carried out in Karlsruhe, Germany, in the years 1885 to 1889, to the first radio communication experiments. Heinrich Hertz developed for the first time a complete pulsed radar, an indoor communication link and a material test set, all in one. The basic system components had been the spark gap oscillator, the dipole antennas for transmit and receive, a nearly parabolic reflector, a polarisation grid, a field strength indicator and several propagation obstacles like wax prism. In the years of 1887-88 his experiments verified the predicted propagation of electromagnetic waves and in addition wave polarisation, reflection, diffraction and refraction. A look at Heinrich Hertz's experiments, his equipment and his results is given. The influence on Marconi's research is discussed. A numerical simulation of the indoor wave propagation, in the original Heinrich Hertz experiments environment, which survived the wars, is intended to demonstrate the problems, but also the real situation this scientist was confronted with

Published in:

100 Years of Radio., Proceedings of the 1995 International Conference on

Date of Conference:

5-7 Sep 1995