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Changes for version 2.20

  • Replaced OSTN02 data set with OSTN15, the new OSGB standard
  • Moved OSTN data to external files
  • Removed function to inspect OSTN data shifts
  • Updated pod in and OSGB/Background.pod
  • Drop support for Perl 5.08 - if you must have 5.08 see the note in


[not for users] rebuild from the contents of the maps directory.
Background and extended description


Convert coordinates between Lat/Lon and the British National Grid
Format and parse British National Grid references
Data for OSGB Maps