A nearby ham radio club has been making these for over a year. Here's how:
https://www.youtube.com/watch?v=QfDDezwZ8QM
― Elvis Telecom, Thursday, 16 February 2023 23:50 (one year ago) link
https://spyballoonsim.hornetsnestguild.com/
― you gotta roll with the pączki to get to what's real (snoball), Wednesday, 22 February 2023 08:35 (one year ago) link