Thus, it's NOT compatible on a Mac.

OLE stands for Object Linking and Embedding, and in this case, the website is trying to download an ActiveX object to your browser to play the Netcast. The problem is... It's a Windows ActiveX control.

If you really really want to listen to it, I'd write their admin and see if they can just give you the link to the stream and see if you have a player that'll play it.