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.
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 language | English |
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Number of pages | 5 |
DOIs | |
Publication status | Published - 12 Apr 2016 |
Event | 10th European Conference on Antennas and Propagation, EuCAP 2016 - Davos, Switzerland Duration: 10 Apr 2016 → 15 Apr 2016 |
Conference
Conference | 10th European Conference on Antennas and Propagation, EuCAP 2016 |
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Country/Territory | Switzerland |
City | Davos |
Period | 10/04/16 → 15/04/16 |
Keywords
- radio wave propagation
- antenna
- circular polarization
- characteristic wave
- elliptical polarization
- ionosphere
- measurement
- Near Vertical Incidence Skywave
- NVIS