Reply to post: Re: USCG & USN binned the eLoran system for GPS

US Navy grabs old-fashioned sextants amid hacker attack fears

Peter Simpson 1
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Re: USCG & USN binned the eLoran system for GPS

Backup is RDF and they still have that, even on cruise ships.

Identify a few AM stations, take bearings and plot an estimated (within a few miles, at least) position.

It won't get you into the harbour entrance, but it might tell you which way to look for it.

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