Dead links to METAR Observation

[ways]

At https://opengeospatial.github.io/e-learning/ogcapi-edr/text/basic-main.html there are two dead links:

An example request that can be used to retrieve data from the METAR Observation collection is here .

Gives {"code": "400", "description": "Collection does not exist"}

Alternatively, the same data can be retrieved in CoverageJSON format, through this request .

Gives {"code": "400", "description": "Collection does not exist"}