C80 British Isles
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.
- Stock code ICC80-2
- Author Imray
- Publisher Imray
- ISBN 9781786792501
- Edition date 2021
- Printed and corrected to January 2021
- Publication details Sheet size 787 x 1118mm. Waterproof. Folded in plastic wallet or flat.