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TOP | NEWS | ARCHIVE | MALIB

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♣ MADOCA's News

• Certified as a new analysis center of international GNSS service
  GSI and JAXA certified as a new analysis center of international GNSS service (IGS) in December 2023. We participates IGS product generation and contributes to the development of precise positioning.
  
  ▶IGS Analysis Center Coordinator (ACC) [External link]
  ▶First in Japan! Certified as a new analysis center of international GNSS service(Japanese Only) (Dec. 2023)

♣ MADOCA product's Important Notice

• About a cessation of MADOCA real-time product streaming
  We stopped our MADOCA real-time product streaming by the end of March 2021.
  


• About changes to published products
  After April 2026, the following products will no longer be provided. Access to these products archived before April 2026 will remain available. If you require these types of products generated by MADOCA, please access the links below and download the products provided by the Japanese IGS Analysis Center (JGX).
  
  - Rapid (jxr), Ultra-rapid (jxu), and the archive data of the real-time products
  
  ◊ JGX products providing service [External link]
  ◊ International GNSS Service (IGS) [External link]
  


• Release of OSB products and Discontinuation of FCB products
  Starting with GPS Week 2430 products (i.e., products for 2 August 2026), JAXA will begin providing Observable-specific Signal Bias (OSB) products in Bias-SINEX format. Accordingly, the publication of the current Fractional Cycle Bias (FCB) products, which are presently distributed as part of the JAXA Final products, will be discontinued.
  Users performing PPP-AR positioning with JAXA products are encouraged to use the OSB products provided in Bias-SINEX format.

♣ MADOCA product's Information

Click here for previous history.

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Edit Date: June 12, 2026