お知らせ（障害情報・更新情報）

AKD：Since around 2023/08/01(Tue), GPS time correction has failed, and data has no time accuracy ( 2.6sec/month time lag in maximum ). Repair schedule is not yet planned. (Updated on 2024/02/06(Tue))
CTS：Since 2012/June, ch3 ( UD component of the -500m sensor ) has malfunctioned. There is no plan to fix.
UK1：Since 2013/Oct/17(Thu), ch2 and ch3 ( EW and UD components of the -138m sensor ) has malfunctioned. And since 2016/May/17(Tue), ch1 ( NS component of the -138m sensor ) has also malfunctioned. No plan to fix.

Most of the sensors are oriented to the true north, but some are not. This PDF ( Japanese only, sorry ) shows the orientation lists where sensors are not oriented to true north.

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This web server has been updated.

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