C80 BRITISH ISLES

The magnetic variation curves have been updated with 2020 data, but the DGA (Danish Geodata Agency) has made it unviable to reproduce their copyrighted data, so all DGA data has been removed from this chart. There has been general updating throughout.

Format: Sheet map
Publication date: 01 January 2021
Publisher: IMRAY CHARTS FOLDED

Magnetic Variation Curves

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

The magnetic variation curves have undergone significant updates in this edition, incorporating the latest data from 2020. However, due to changes in royalty terms imposed by the DGA (Danish Geodata Agency), it has become impractical to reproduce their copyrighted data. Consequently, all DGA data has been removed from this chart. This update represents a comprehensive overhaul, ensuring that the chart remains accurate and up-to-date with the latest information available.

The magnetic variation curves play a crucial role in understanding the Earth's magnetic field and its variations over time. By incorporating 2020 data, this edition provides a more comprehensive view of the Earth's magnetic behavior, allowing researchers, scientists, and enthusiasts to explore and analyze the data in greater detail.

While the removal of DGA data may be disappointing for some users, it is important to note that the decision was made in accordance with the new royalty terms set by the DGA. The agency aims to protect its copyrighted data and ensure that it is used responsibly and appropriately.

Despite the absence of DGA data, this edition of the magnetic variation curves still offers valuable insights and information. The chart has been updated with general improvements and modifications, ensuring that it remains user-friendly and accessible to a wide range of audiences.

In conclusion, while the removal of DGA data from this edition of the magnetic variation curves may be a setback, it is important to recognize the efforts of the DGA to protect its copyrighted data and ensure its proper usage. The updated chart, despite the absence of DGA data, remains a valuable resource for understanding the Earth's magnetic field and its variations.

Weight: 200g
Dimension: 236 x 326 x 9 (mm)
ISBN-13: 9781786792501