Brian Prangle wrote: > Are these covered by copyright? The National Grid per se is not covered by copyright.
The newer transformations used to produce highly accurate grid references may be, but in fact OS has licensed the most recent (OSTN15) under the permissive BSD licence: https://www.ordnancesurvey.co.uk/business-and-government/help-and-support/navigation-technology/os-net/formats-for-developers.html Richard -- Sent from: http://gis.19327.n8.nabble.com/Great-Britain-f5372682.html _______________________________________________ Talk-GB mailing list Talk-GB@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-gb