The repository was called .
Hundreds of them. Cities. Every major city on Earth. The same timestamp: today's date, 03:17 UTC. The frequency range: narrow, almost imperceptible shifts. sky-m3u github
But Leo knew what it was.
He opened current.m3u in a text editor. It wasn't a normal playlist. Instead of #EXTINF tags for pop songs or movies, each line was a latitude and longitude, followed by a timecode and a frequency. The repository was called