Error 400: Bad Request invalid param: u Usage details are available from /fdsnws/station/1/ Request: /fdsnws/station/1/query?net=ZS&level=station&format=text&u=web&start=2017-01-01&end=2019-12-31 Request Submitted: 2024-03-28T19:59:22.757773 Service Version: 1.1.4