Measurements Process of Vertically Polarized Electromagnetic Surface-Waves Over a Calm Sea in the HF Band over a Spherical Earth

M. Bellec; P. Y. Jezequel; S. Palud; F. Colombel; S. Avrillon; P. Pouliguen

Journal articles

Measurements Process of Vertically Polarized Electromagnetic Surface-Waves Over a Calm Sea in the HF Band over a Spherical Earth

M. Bellec ¹ P. Y. Jezequel ¹ S. Palud ¹ F. Colombel ² S. Avrillon ² P. Pouliguen ³

1 TDF - TéléDiffusion de France

2 IETR - Institut d'Électronique et des Technologies du numéRique

3 DGA.MI - DGA Maîtrise de l'information

Abstract : A HF surface-wave experimentation across a 220 km sea water path is carried out at 5, 10, and 20 MHz in order to evaluate the relative field strength attenuation with distance and beyond the horizon with a low measurement uncertainty. Although the theories are well known, the experimentation is described from the transmitter's implementation until the RF equipment in order to improve the signal to noise ratio. The measurement setup described proves the reliability of the data.

Keywords : upper-atmosphere radio-waves propagation attenuation impedance

Document type :

Journal articles

Domain :

Computer Science [cs] / Networking and Internet Architecture [cs.NI]

Engineering Sciences [physics] / Electronics

Complete list of metadatas

https://hal-univ-rennes1.archives-ouvertes.fr/hal-01380054
Contributor : Laurent Jonchère <>
Submitted on : Wednesday, October 12, 2016 - 2:09:07 PM
Last modification on : Monday, October 5, 2020 - 9:50:24 AM

Measurements Process of Vertically Polarized Electromagnetic Surface-Waves Over a Calm Sea in the HF Band over a Spherical Earth

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Measurements Process of Vertically Polarized Electromagnetic Surface-Waves Over a Calm Sea in the HF Band over a Spherical Earth

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