2026/09/18

<Announcement of GOSAT Data Archive Service Outage>
We would like to notify you of upcoming outage of GDAS for the system maintenance.
During the following period, all the services provided through GDAS will not be available.
The period of Service Outage:
00:00 Mon. Oct. 5, 2026 - 08:00 Wed. Oct. 7, 2026 (UT)
Special Note:
*You will not be able to access GDAS during this period.
Thank you for your cooperation and understanding.

2026/08/25

<Announcement of the Observation request for RA researchers (for Nov., 2026)>
We will start accepting the observation request (from Nov. 2, 2026 to Dec. 6, 2026) of GOSAT/FTS from the PIs.
For Submission method of Observation Requests, please see "Submission of Observation Requests" on "Documents & Information" page after logging into GDAS.
  *Period for the observation : Nov. 2 (Mon), 2026 through Dec. 6 (Sun), 2026 (UT)
  *Period to accept observation requests : 15:00 Aug. 26 (Wed), 2026 through 14:59 Sep. 16 (Wed), 2026 (UT).

2026/06/03

<Announcement of Network Maintenance Schedule Change>
We would like to notify you of the network maintenance Schedule Change as below.
During the following period, GDAS will be disconnected momentarily.
If users are not in a hurry, please use GDAS except for the maintenance period.
The period of network maintenance:
  [Before change] 08:00 - 10:00 Wed. Jun. 3, 2026(UT)
  [After change ] 08:00 - 10:00 Thu. Jun. 4, 2026(UT)
Thank you for your cooperation and understanding.