Receiving Local Channels on DVR - DirecTV

We are in one of the small markets that does not receive our local channels through DirecTV. We must use an antena and switch to the TV mode in order to watch local broadcast channels. How can we connect an antena to the DirecTV dish and have that come through our DVR? I've seen an antenna on some homes that is part of the DirecTV dish so I would like this set up too. Is this something a DirecTV installer can do? Thanks in advance for any help you can provide.

This question, "Receiving Local Channels on DVR," is about DirecTV channels, programming, equipment, and sports.