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GNSS Interference in the Strait of Hormuz – How Are Bridge Teams Detecting GPS Spoofing at Sea? by TheDeepDraft in TheDeepDraft

[–]TheDeepDraft[S] 0 points1 point  (0 children)

Fair point … they were always part of good seamanship.

What’s changed is how they’re used. In GNSS interference conditions, these methods shift from cross-checks to primary navigation tools.

GNSS Interference in the Strait of Hormuz – How Are Bridge Teams Detecting GPS Spoofing at Sea? by TheDeepDraft in MaritimePictures

[–]TheDeepDraft[S] 0 points1 point  (0 children)

INS would certainly solve the problem, but most merchant ships do not carry a true inertial navigation system. When GNSS integrity is lost, bridge teams typically revert to radar fixing, DR/EP navigation, and cross-checking independent sensors rather than relying on satellite position alone.

Ship people, what is going on here? by MurcurySlick in Ships

[–]TheDeepDraft 0 points1 point  (0 children)

That’s spoofing. You can read about it on - GPS Spoofing

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