2026/07/27

<Announcement of the Observation request for RA researchers (for Oct., 2026)>
We will start accepting the observation request (from Oct. 5, 2026 to Nov. 1, 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 : Oct. 5 (Mon), 2026 through Nov. 1 (Sun), 2026 (UT)
  *Period to accept observation requests : 15:00 Jul. 29 (Wed), 2026 through 14:59 Aug. 19(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.

2026/05/29

<Announcement of Network Maintenance>
We would like to notify you of the network maintenance.
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:
  08:00 - 10:00 Wed. Jun. 3, 2026(UT)
Thank you for your cooperation and understanding.