📡🛰 For 19 years, GPS satellites have secretly broadcast a “numbers station” in their public signals. We decoded 12M messages: a 2011 flash where 31 of 32 satellites flipped in hours, “ghost” substrings repeating years apart, and a “TEXT” prefix spreading now.
https://lsc-pagepro.mydigitalpublication.com/publication/?i=865273&p=62&view=issueViewer
https://github.com/sjmurdoch/gps-special-messages
https://x.com/i/status/2061829547289387209