…”Watch the hearings live on the Bloomberg Terminal or
streaming on the web at http://www.bloomberg.com. The cable news
networks, CNN, Fox News and MSNBC, are likely to show
significant portions of the trial. C-SPAN 2, which covers
Senate floor proceedings, will broadcast it on cable and
online.”…
https://www.bloomberg.com/news/articles/2020-01-20/how-to-watch-the-senate-impeachment-trial-viewer-s-guide
https://www.pbs.org/newshour/politics/watch-live-trumps-impeachment-trial-in-the-senate
https://www.c-span.org/video/?468163-4/senate-session-part-1
https://wbhm.org/2020/ongoing-watch-senate-impeachment-trial-live/
h/t Trained Noticer