Error 400: Bad Request invalid param: u Usage details are available from /fdsnws/station/1/ Request: /fdsnws/station/1/query?net=4C&level=response&u=web&start=2017-01-01&end=2019-12-31&format=sc3ml Request Submitted: 2024-03-28T15:01:50.116891 Service Version: 1.1.4