15 seconds after the end of IARU Championship
You can see a sharp decline in activity about mid-screen.
About 1m 15s remaining: https://lemmy.radio/pictrs/image/ef2b0fd0-93e7-4208-bd92-ab7ea86270a3.png
45s after 1200Z:
https://lemmy.radio/pictrs/image/cd9e6bbe-eb69-43f7-ba59-5357a4191fa3.png