Which film is a time travel tale about a man who talks to his late father by using a ham radio?

"Frequency" (2000) is the film which is a time travel tale about a man who talks to his late father by using a ham radio. This film is a science fiction thriller drama. It was co-produced and directed by Gregory Hoblit. It was written and co-produced by Toby Emmerich. The film stars Dennis Quaid and Jim Caviezel as father and son, Frank and John Sullivan respectively. This is a movie that was filmed in both Toronto, Canada and New York City, New York, USA. Original distribution was done by New Line Cinema.

The key focus of the film concerns a man who has the chance to travel back in time and change just one great event in his life. Here, John Sullivan (Caviezel) has no question concerning the action he must when he goes back in time. He must undo the events of October 12, 1969. This is when the out-of-control Bruxton fire took the life of his father, Frank (Quaid), a heroic firefighter. Now John seems to get exactly what he wished for -- but his bargain is much more than he had really at first truly imagined.