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ARTEMIS Mark-IV, THE NEW GREEK–FRENCH DIGITAL RADIO SPECTROGRAPH AT THERMOPYLES, GREECE

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Abstract

We present the new digital solar radio spectrograph located at the Thermopyles station, Greece, operated by the University of Athens. Observations cover the range from 110 to 600 MHz, using a 7-m parabolic antenna. The reception system uses two techniques in parallel: sweep frequency and multi-channel, the latter being based on the Acousto-Optical technique. The data acquisition system is based on two subsystems, a Sun Sparc-5 workstation and a front end based on a VME Motorola system. The two subsystems are connected through the Ethernet and are operated using the VxWorks real-time package. The daily operation is completely automated: pointing of the antenna to the sun, starting and stopping the observations at pre-set times, acquiring data, compressing data by silence suppression in real time, and archiving the data on a routine manner on DAT tapes. Apart from its usual function, this instrument will be used in conjunction with other instruments, including the Nançay decameter array and the low frequency radio receivers on the Wind spacecraft.

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Authors and Affiliations

  1. Department of Informatics, University of Athens, Panepistimiopolis, GR-15784, Athens, Greece

    D. Maroulis, C. Caroubalos & N. Patavalis

  2. Observatoire de Paris-Meudon, DESPA URA CNRS 264, FR-92195, Meudon Cedex, France

    G. Dumas & J. L. Bougeret

  3. Section of Astrophysics, Astronomy and Mechanics, Department of Physics, University of Athens, Panepistimiopolis, GR-15784, Athens, Greece

    X. Moussas

  4. Section of Astro-geophysics, Department of Physics, University of Ioannina, GR-45110, Ioannina, Greece

    C. Alissandrakis

Authors
  1. D. Maroulis
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  2. G. Dumas
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  3. C. Caroubalos
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  4. J. L. Bougeret
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  5. X. Moussas
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  6. C. Alissandrakis
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  7. N. Patavalis
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Maroulis, D., Dumas, G., Caroubalos, C. et al. ARTEMIS Mark-IV, THE NEW GREEK–FRENCH DIGITAL RADIO SPECTROGRAPH AT THERMOPYLES, GREECE. Solar Physics 172, 353–360 (1997). https://doi.org/10.1023/A:1004941710308

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  • DOI: https://doi.org/10.1023/A:1004941710308

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