After this date the Vol.A Legacy File will no longer be available as previously announced by WMO on 5.09.2022 via an official letter to the Members (ref. 19923/2022/I/ONM) as well as on the latest edition of the WIGOS newsletter.
For any issues or concerns, the OSCAR/Surface team can be contacted via the "Feedback" form in OSCAR/Surface platform, or a question/comment can be posted in “Discussion Forum” of WIGOS Learning Portal.