For the tl;dr, I wrote a summary of my analysis of the GPS Special Message “number station”, including entropy measurement, duplicated strings, a mysterious new “TEXT” prefix, and the system’s relationship with military key distribution. www.benthamsgaze.org/2026/06/02/t...
Steven Murdoch
For 19 years, GPS satellites have secretly broadcast a “numbers station” in their signals. We decoded 12M messages: a 2011 flash where 31 satellites flipped in hours, “ghost” substrings repeating years apart, and a “TEXT” prefix spreading now. lsc-pagepro.mydigitalpublication.com/publication/...
