PBS will air the complete 5 part series "We Shall Remain" in HD starting April
13th.

13th After the Mayflower
20th Tecumseh's Vision
27th Trail of Tears

May

4th Geronimo
11th Wounded Knee

An OTA can be used to receive the programming for those that do not receive PBS HD from DirecTV or cable.

Funny juxtaposition of words. At first I thought it was a statement that PBS wasn't going to abandon HD broadcasting! :)