[In English] Information about Scheduled Maintenance Jun 15, 2022 The system maintenance will be conducted in the following date and time.  Date:  Jun 21, 2022 from 01:00 to 06:00 (UT) Jun 27, 2022 from 03:00 to 04:00 (UT) You may be difficult to connect to our server during this maintenance. And the following websites will be not available during this maintenance.   - Retrieval of Waveforms * That time may be around by the situation of the work.

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