Here are some SIMPLE DTV Receiver Converter Boxes available through and at ,
http://www.walmart.com , RCA DTA800B1 , Sunkey ATB150S , Magnavox TB110MW9 , type the words , converter box , in the Walmart search box.
Here are some DTV receivers that will supply signal to the older tv , and these DTV Receivers do more a lot more.
http://www.channelmasterstore.com ,
http://www.epvision.com.