<![CDATA[For 19 years, GPS satellites have secretly broadcast a “numbers station” in their public signals.]]>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://forum.fedi.dk/topic/77f6fa02-857f-4e8a-a5d3-f79c96c1784b/for-19-years-gps-satellites-have-secretly-broadcast-a-numbers-station-in-their-public-signals.RSS for NodeFri, 12 Jun 2026 02:42:58 GMTTue, 02 Jun 2026 15:20:14 GMT60<![CDATA[Reply to For 19 years, GPS satellites have secretly broadcast a “numbers station” in their public signals. on Tue, 02 Jun 2026 21:26:45 GMT]]>@sjmurdoch very interesting article. But what's the security benefit of rekeying via public broadcast channel? A single key compromise enables the attacker to keep receiving new keys at home directly, doesn't it?

]]>https://forum.fedi.dk/post/https://infosec.exchange/users/zeewox/statuses/116682627820779421https://forum.fedi.dk/post/https://infosec.exchange/users/zeewox/statuses/116682627820779421Tue, 02 Jun 2026 21:26:45 GMT<![CDATA[Reply to For 19 years, GPS satellites have secretly broadcast a “numbers station” in their public signals. on Tue, 02 Jun 2026 19:22:28 GMT]]>@elithebearded Sorry, it's basically a print publication, and the online format represents that.

]]>https://forum.fedi.dk/post/https://mastodon.social/users/sjmurdoch/statuses/116682139141546516https://forum.fedi.dk/post/https://mastodon.social/users/sjmurdoch/statuses/116682139141546516Tue, 02 Jun 2026 19:22:28 GMT<![CDATA[Reply to For 19 years, GPS satellites have secretly broadcast a “numbers station” in their public signals. on Tue, 02 Jun 2026 18:15:53 GMT]]>@sjmurdoch

Interesting but the presentation is awful (at least for mobile)

]]>https://forum.fedi.dk/post/https://fed.qaz.red/users/elithebearded/statuses/116681877351396575https://forum.fedi.dk/post/https://fed.qaz.red/users/elithebearded/statuses/116681877351396575Tue, 02 Jun 2026 18:15:53 GMT<![CDATA[Reply to For 19 years, GPS satellites have secretly broadcast a “numbers station” in their public signals. on Tue, 02 Jun 2026 16:22:20 GMT]]>@sjmurdoch Really interesting; thanks!

]]>https://forum.fedi.dk/post/https://infosec.exchange/users/SteveBellovin/statuses/116681430852744866https://forum.fedi.dk/post/https://infosec.exchange/users/SteveBellovin/statuses/116681430852744866Tue, 02 Jun 2026 16:22:20 GMT