Even with these little inconsistencies, they taken care of that "Contact is indescribably more correct in its depiction of SETI than any Hollywood film in background." Writer and producer Carl Sagan died through production. He was reportedly having excellent treatment to ensure that science was correctly depicted Within this Motion https://docs.google.com/document/d/1FBz6MwCyLTZPtra0IeEP1A4Cj5IPB2K82_p-ef9EX6M/edit?usp=sharing