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目前顯示的是 4月, 2017的文章

IGS Switch to IGS14

The IGS intends to switch from IGS08/igs08.atx to IGS14/igs14.atx starting with products of GPS week 1934 (29 January 2017).   The IGS08/igs08.atx framework has been in effect since GPS week 1632 (17 April 2011). IGS08/igs08.ats was also used for the second IGS reprocessing campaign (repro2) back to 1994. source:  [IGSMAIL-7399] Upcoming switch to IGS14/igs14.atx :