TV Zap :

Worldwide and Miscellaneous

My AFN

Worldwide schedules for the American Forces Networks, including AFN Prime (Atlantic, Pacific, Korea), AFN Sports, AFN Family, AFN Movies, and the Pentagon Channel.

Lyngsat

Excellent comprehensive guide to what you can find on satellite all around the world.

Sat Address

Useful site with postal addresses, phone numbers, email addresses and web site links for satellite TV channels worldwide.

World Soccer Vision

Interesting site listing upcoming soccer (football) matches and the channels (mostly in Europe) they can be seen live on.

Persky

Council of Europe guide to TV channels in Europe. Just a listing of the stations, but some of the web links to the more obscure stations may be useful.