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History of Space Weather Research and Operation in Japan and New Emphasis in Southeast Asia
Radio Science ( IF 1.6 ) Pub Date : 2021-02-04 , DOI: 10.1029/2020rs007162
M. Ishii 1 , O. Takizawa 2 , K. Marubashi 1 , M. Den 1
Affiliation  

Japanese space weather research and operation began in 1896 with research on radio propagation. LF, MF, and HF radio communication used to be important before the era of communication satellites; however, they are affected by ionospheric conditions and solar activity. A center for the research and development of radio systems was established at Hiraiso, which is now also a space weather observatory for measuring solar activity, geomagnetic fields, and ionospheric conditions. The need for space weather information initially decreased in the communication satellite age, but since the beginning of the 21st century it has been increasing again with the growing use of positioning satellite systems. The role of Southeast Asian countries in space weather research has become important and the range of activities is also growing. The contribution of these countries to space weather research and operation is expected to grow in future.

中文翻译:

日本太空天气研究和运行的历史以及东南亚的新趋势

日本太空天气的研究和运行始于1896年,当时的研究涉及无线电传播。LF,MF和HF无线电通信在通信卫星时代之前曾经很重要;但是,它们受到电离层条件和太阳活动的影响。在Hiraiso成立了无线电系统的研究与开发中心,该中心现在也是用于测量太阳活动,地磁场和电离层状况的太空天气观测站。在通信卫星时代,对空间天气信息的需求最初有所减少,但是自21世纪初以来,随着定位卫星系统的日益广泛使用,对空间天气信息的需求再次增加。东南亚国家在空间天气研究中的作用已变得很重要,活动范围也在不断扩大。
更新日期:2021-03-10
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