Dear Mario, all,
Here are some important references that you are encouraged to use/follow:
- Manual on WIGOS (WMO-No. 1160), in particular chapter #2, more specifically section 2.4 and Attachment 2.2.
- Guide to WIGOS (WMO-No. 1165), in particular chapters #2, #3 and #9.
The above references as well as other relevant links are available from this WIGOS Learning Portal here.
Kind regards,
Luis