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The Electric Antennas for the STEREO/WAVES Experiment |
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| Authors: | S. D. Bale R. Ullrich K. Goetz N. Alster B. Cecconi M. Dekkali N. R. Lingner W. Macher R. E. Manning J. McCauley S. J. Monson T. H. Oswald M. Pulupa |
| Affiliation: | 1. Physics Department, University of California, Berkeley, USA 2. Space Sciences Laboratory, University of California, Berkeley, USA 3. School of Physics and Astronomy, University of Minnesota, Minneapolis, USA 4. LESIA, Observatoire de Paris, Meudon, France 5. Space Research Institute, Austrian Academy of Sciences, Graz, Austria |
| Abstract: | The STEREO/WAVES experiment is designed to measure the electric component of radio emission from interplanetary radio bursts and in situ plasma waves and fluctuations in the solar wind. Interplanetary radio bursts are generated from electron beams at interplanetary shocks and solar flares and are observed from near the Sun to 1 AU, corresponding to frequencies of approximately 16 MHz to 10 kHz. In situ plasma waves occur in a range of wavelengths larger than the Debye length in the solar wind plasma λ D ≈10 m and appear Doppler-shifted into the frequency regime down to a fraction of a Hertz. These phenomena are measured by STEREO/WAVES with a set of three orthogonal electric monopole antennas. This paper describes the electrical and mechanical design of the antenna system and discusses efforts to model the antenna pattern and response and methods for in-flight calibration. |
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