honestly i'm just starting so excuse lack of knowledge. since i will be using a standard def receiver for fta signals my ques regards hd channels. is it possible to use one of those hd converters with a fta receiver to change sd signal to hd? i didnt see any posts regarding the hd boxes (the ones sold everywhere like walmart rite aid etc). i was just curious if one of these converters could be used with a fta receiver. thanks for any input.