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A comment on Preventing GPS spoofing is hard, but you can at least detect it.
You're expecting the signal to come from "up" not mostly from the horizon.
Also if you have an almanac already you'd have to spoof each satellites location.
Granted this would be a good deal more complex to implement...
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You're expecting the signal to come from "up" not mostly from the horizon.
Also if you have an almanac already you'd have to spoof each satellites location.
Granted this would be a good deal more complex to implement...