Error 400: Bad Request invalid param: u Usage details are available from /fdsnws/station/1/ Request: /fdsnws/station/1/query?net=XP&level=response&u=web&start=1998-01-01&end=1998-12-31&format=sc3ml Request Submitted: 2024-03-29T14:38:31.551727 Service Version: 1.1.4