If you will like to receive All of the USA PBS channels and other channels here is a way to do it.
FTA = Free To Air Satellite Tv.
Here is a good place to start ,
http://www.ftalist.com.
http://www.saveandreplay.com , is one business that sells the receivers and small motorized dish.
Here is a web site that has more information.
http://www.global-cm.net