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TAG: GLA

Longstone Lighthouse is situated on the Outer Farne Islands on the Northumberland Coast in Northern England. (Photo: ad_foto/iStock/Getty Images Plus/Getty Images)

Alan Grant named R&D head of General Lighthouse Authorities

November 2, 2021

Figure 1. Timeline for resilient PNT. (Image: GLA)

PNT Roundup: Resilient PNT for the maritime sector

August 9, 2017