A transportable hybrid antenna-transmitter system for the generation of elliptically polarized waves for NVIS propagation research

Ben A. Witvliet, Geert J. Laanstra, Erik Van Maanen, Rosa M. Alsina-Pagès , Mark J. Bentum, Cornelis H. Slump, Roel Schiphorst

Research output: Contribution to conferencePaper

3 Citations (Scopus)

Abstract

For empirical research on Near Vertical Incidence
Skywave (NVIS) characteristic wave propagation, a beacon transmitter system is needed that can be programmed to emit precisely defined elliptically and circularly polarized waves at high elevation angles. This paper proposes a novel hybrid antenna-transmitter system, a combination of a synchronous dual channel transmitter and a turnstile antenna. The polarization emitted by the turnstile antenna is defined by the power ratio and phase difference of the outputs of the
transmitter. Operating frequency is between 3 to 10 MHz. An automated and transportable solution is described, which can be fed by battery or solar power. Power consumption is 5.7 W.
Original languageEnglish
Number of pages5
DOIs
Publication statusPublished - 12 Apr 2016
Event10th European Conference on Antennas and Propagation, EuCAP 2016 - Davos, Switzerland
Duration: 10 Apr 201615 Apr 2016

Conference

Conference10th European Conference on Antennas and Propagation, EuCAP 2016
CountrySwitzerland
CityDavos
Period10/04/1615/04/16

Keywords

  • radio wave propagation
  • antenna
  • circular polarization
  • characteristic wave
  • elliptical polarization
  • ionosphere
  • measurement
  • Near Vertical Incidence Skywave
  • NVIS

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