If you seem to be stuck in a login loop when trying to access Radius (login page refreshes), please try the following steps:
1) Click this link https://www.egi.co.uk/login/?origin_uri=https://www.egi.co.uk/&action=logout
2) Click this link https://www.egi.co.uk/radius-dx/data/
3) Click "Login"
4) Enter your credentials and try to access again.
If you cannot remember your password please reset it by going here: https://www.egi.co.uk/Forgotten-Password.aspx