These “small form factor” jammers are said to create enough interference to disrupt satellite signals. Bet they work just fine against Musk’s Starlink, DirecTV, and other US downlinks. Worth mulling should the Feds ever decide we need to be protected from “disinformation,” wrongthink, or that wretched Donald Trump:
https://www.space.com/space-force-ground-based-jammer-electronic-warfare