Why was Camp X Located in Oshawa, Canada?

AJ Garrett, on location at Camp X explains some of the reasons the Oshawa area was chosen as optimal Camp X location. Additional factors not highlighted here were around the practically of transmission and reception of radio signals being on the shores of Lake Ontario to and from Europe.
Order your copy of the definitive work on Camp X: The Birth of Special Operations in Canada by Lynn Philip Hodgson.