Due to a bit of a mess we got into with the dynamic DNS the other day, all rcs.myelin.cjb.net URLs are going to be a bit shaky from now on. Currently they point to cached copies of the RSS feeds from pycs.net, so you'll be a bit out of date if you're subscribing to them. There is a redirect in place to keep links working, but Radio doesn't seem to follow HTTP "Moved Permanently" signs, so you'll have to do it manually.
The new RSS URL for this weblog is http://www.pycs.net/notes/rss.xml - please check your subscriptions and change the "Python Community Server - notes and explanations" one to use the new URL if you're subscribed to the old one.
Sorry for the inconvenience!