I don't remember if this has been already posted, but here are the details of the Rainbow-1 sattelite sale agreement as well as the text of the application submitted to the FCC by Echostar:
Application Part 1.
Application Part 2; Satellite Sale Agreement Part 1.
Satellite Sale Agreement Part 2; Letter Agreement (on Black Hawk) Part 1.
Letter Agreement (on Black Hawk) Part 2.
Application Part 1.
Application Part 2; Satellite Sale Agreement Part 1.
Satellite Sale Agreement Part 2; Letter Agreement (on Black Hawk) Part 1.
Letter Agreement (on Black Hawk) Part 2.