Here is a way to receive all of the USA PBS channels and other channels.
It is FTA Free To Air satellite Tv.
The channels are Free to receive.
Here is a good place to find out more ,
http://www.ftalist.com.
Here is some but not all of what will be received.
http://www.pbs.org.
http://www.facebook.com/pbjtv.
http://www.createtv.com.
http://www.myretrotv.com.
http://www.tufftv.com.
http://rt.com.
Saveandreplay has the receivers and dish.
You buy the equipment and the programing/channels are 100 % Free to receive.