Education HD Add-on Channel Group
CH 301 NATIONAL GEOGRAPHIC CHANNEL HD
CH 302 Discovery HD
CH 303 HISTORY HD™
Channel 461
Delivering the ideal viewing experience, Discovery HD World will bring audiences even closer to their world with breathtaking imagery and expansive detail, featuring programming on the wonders of the world ranging from culture, science and natural history to travel and lifestyle themes.

CH 301 NATIONAL GEOGRAPHIC CHANNEL HD
CH 302 Discovery HD
CH 303 HISTORY HD™