Albeit ineffectively, because they have an INS backup. | Hacker News

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		_52co on July 27, 2022 \| parent \| context \| favorite \| on: GPSJam: Daily Maps of GPS Interference Albeit ineffectively, because they have an INS backup.

gdy on July 27, 2022 [–]

Also terrain contour matching [0] and Digital Scene Matching Area Correlation [1].

[0] https://en.wikipedia.org/wiki/TERCOM

[1] https://en.wikipedia.org/wiki/Tomahawk_(missile)#Navigation

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