Equatorial Atmosphere Radar (EAR): System description and first results

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  • Shoichiro Fukao
    Radio Science Center for Space and Atmosphere Kyoto University Kyoto Japan
  • Hiroyuki Hashiguchi
    Radio Science Center for Space and Atmosphere Kyoto University Kyoto Japan
  • Mamoru Yamamoto
    Radio Science Center for Space and Atmosphere Kyoto University Kyoto Japan
  • Toshitaka Tsuda
    Radio Science Center for Space and Atmosphere Kyoto University Kyoto Japan
  • Takuji Nakamura
    Radio Science Center for Space and Atmosphere Kyoto University Kyoto Japan
  • Masayuki K. Yamamoto
    Radio Science Center for Space and Atmosphere Kyoto University Kyoto Japan
  • Toru Sato
    Graduate School of Informatics Kyoto University Kyoto Japan
  • Masahiro Hagio
    Communication Systems Center Mitsubishi Electric Corporation Hyogo Japan
  • Yoshiyuki Yabugaki
    Communication Systems Center Mitsubishi Electric Corporation Hyogo Japan

書誌事項

公開日
2003-06
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1029/2002rs002767
公開者
American Geophysical Union (AGU)

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説明

<jats:p>A VHF Doppler radar with an active phased‐array antenna system, called the Equatorial Atmosphere Radar (EAR), was established recently at the equator near Bukittinggi, West Sumatra, Indonesia (0.20°S, 100.32°E, 865 m above sea level). The EAR is a large monostatic radar which operates at 47.0 MHz with peak output power of 100 kW. The EAR uses a circular antenna array, approximately 110 m in diameter, which consists of 560 three‐element Yagi antennas. Each antenna is driven by a solid‐state transmitter‐receiver module. This system configuration allows the antenna beam to be steered electronically up to 5,000 times per second. The scientific objective of the EAR is to advance knowledge of dynamical and electrodynamical coupling processes in the equatorial atmosphere from the near‐surface region to the upper atmosphere. The equatorial atmosphere over Indonesia is considered to play an important role in global change of the Earth's atmosphere. This paper presents the system description of the EAR, including observational results of the equatorial atmosphere made for the first time with altitude resolution of 75–150 m.</jats:p>

収録刊行物

  • Radio Science

    Radio Science 38 (3), 1053-, 2003-06

    American Geophysical Union (AGU)

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