Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
I think this is called 'wave-radar'.
Is there any way to switch it off?
The direction arrows overlap and it is impossible to see the one underneath.
I'm finding it quite distracting.
