c64.org took a nose-dive, bringing down everything with it, including www.SLAYRadio.org and c64.org.
We're working on the problem.
Update 2014-03-05: One of two new servers have been configured, and will hopefully be installed on Thursday 6th at the new ISP.
Update 2014-03-06: Installation of new server has been postponed until Friday 7th.
Meanwhile, you can listen to the stream at http://relay.slayradio.org:8000/