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[-] SuperJetShoes@lemmy.world 1 points 10 months ago

As another commenter said, I don't think cryptography is the main problem.

You've got to be able to modulate some numbers out of the radio signal first before you need to be concerned if it's encrypted or not.

GPS signals from power conserving satellites are so weak that I'd imagine that overwhelming them with noise on all frequencies would be the easy answer. (Although there's a Big Brain hyper-cunning answer to that...).

[-] brianorca@lemmy.world 1 points 10 months ago

Some GPS jammers are known to transmit, instead of noise, a bad signal which creates an offset in the timing to calculate a false position. But with encrypted military GPS, that's not as effective.

[-] circuscritic@lemmy.ca 1 points 10 months ago* (last edited 10 months ago)

I don't think PGMs with M-Code GPS capabilities are being provided to Ukraine, but that is definitely something well outside of my casual knowledge base, so I'm open to being corrected.

this post was submitted on 01 Nov 2023
514 points (98.7% liked)

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