Here's NBC Nightly News with Tom Brokaw weekday broadcast from February 6, 1986.
https://www.youtube.com/watch?v=wi0g39hqX50
Here is WNBC-TV New York 11PM weeknight newscast from October 10, 1984
https://youtu.be/RuS0Y74oeV0
https://www.youtube.com/watch?v=wi0g39hqX50
Here is WNBC-TV New York 11PM weeknight newscast from October 10, 1984
https://youtu.be/RuS0Y74oeV0