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PDF: https://cdn.coverstand.com/61061/865273/2c88ea662e2b57478723... (article is on page 62)
Related: https://www.404media.co/the-u-s-military-quietly-turned-gps-...
The Quiet Numbers Station: Decoding Nineteen Years of GPS Cryptography
benthamsgaze.org
I really wish I could tell how real it is. When some part of it I can tell is AI slop, how much of it is AI slop? Inside GNSS has always been a marketing rag with sometimes some interesting articles.
The author is a security researcher, so maybe poking at GPS bits makes sense, but talking about floating point bit depth? There's too much slop for me to figure out if there's anything of real interest or if this is just a hallucination.
Edit. After reading more carefully this is 100% AI slop. Inside GNSS published Steven Murdoch's chat gpt session. Maybe some data was transmitted? The only way you'll actually know is to redo the research your self. There are many fabrications / confabulations that clearly happen with AI in the text.
This is a fantastic writeup
This is an interesting article. It has a very strong AI accent. I really wish I could tell how real it is. When some part of it I can tell is AI slop, how much of it is AI slop? Inside GNSS has always been a marketing rag with sometimes some interesting articles. The author is a security researcher, so maybe poking at GPS bits makes sense, but talking about floating point bit depth? There's too much slop for me to fi…
Here, it appears to be a rekeying system for specialized military gear.
https://news.ycombinator.com/item?id=48414479
https://www.404media.co/the-u-s-military-quietly-turned-gps-...
The 404 article seems fluff-free and cites
https://insidegnss.com/current-issue/
as source.
"Numbers station" is a weird analogy, because the idea of a numbers station was to broadcast messages to undercover operatives in a way that can be received using unmodified (and therefore non-suspicious) household radio receivers. Here, it appears to be a rekeying system for specialized military gear.