# Page Not Found

The URL `deep-dive/a-guide-to-coordinate-systems-in-great-britain/the-shape-of-the-earth` does not exist.

You might be looking for one of these pages:
- [The shape of the Earth](https://docs.os.uk/more-than-maps/a-guide-to-coordinate-systems-in-great-britain/the-shape-of-the-earth.md)
- [Myths about coordinate systems](https://docs.os.uk/more-than-maps/a-guide-to-coordinate-systems-in-great-britain/myths-about-coordinate-systems.md)
- [We need a datum](https://docs.os.uk/more-than-maps/a-guide-to-coordinate-systems-in-great-britain/what-is-position/we-need-a-datum.md)
- [Ordnance Survey coordinate systems](https://docs.os.uk/more-than-maps/a-guide-to-coordinate-systems-in-great-britain/ordnance-survey-coordinate-systems.md)
- [What is position?](https://docs.os.uk/more-than-maps/a-guide-to-coordinate-systems-in-great-britain/what-is-position.md)

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