Revert "Getting closer."

This reverts commit 06c34fdf3eb116cb3bf37d769a24a48ffefd57a6.
Revert "Intermediate commit: working on ukho nodal corrections."

This reverts commit 6aa1189579174a91ee145b3e410ce0a004f37f13.
Revert "Incomplete nodal correction from UKHO."

This reverts commit ebca1219f4baa4e7a53eafb245d69dfa0066baa3.