Description

Book Synopsis
On this edition the magnetic variation curves have been updated with 2020 data. Under new royalty terms, the DGA (Danish Geodata Agency) have made it unviable to reproduce their copyrighted data. All DGA data has been removed from this chart. There has been general updating throughout.

C80 British Isles: 2021

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    A Sheet map, folded by Imray

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      Publisher: Imray, Laurie, Norie & Wilson Ltd
      Publication Date: 29/01/2021
      ISBN13: 9781786792501, 978-1786792501
      ISBN10: 1786792508
      Also in:
      Sport Sailing / yachting Technology, Engineering & Agriculture Navigation and seamanship Books by Imray

      Description

      Book Synopsis
      On this edition the magnetic variation curves have been updated with 2020 data. Under new royalty terms, the DGA (Danish Geodata Agency) have made it unviable to reproduce their copyrighted data. All DGA data has been removed from this chart. There has been general updating throughout.

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