I'm fairly sure that the OSGB36 (36 being a year) transformations are fairly publicly known.
The more detailed OSTN02 transformations are copyrighted (and very hard to get a hold of). There's a bit of info on what OSTN02 actually is here - http://www.ordnancesurvey.co.uk/oswebsite/gps/osnetfreeservices/about/faqs_osnet.html#4 2009/4/24 Tim Waters (chippy) <chippy2...@gmail.com>: > please correct me, I want to be wrong, I heard yesterday that by > projecting any data into OSGB, the OS has copyright / dominion over > it, since they "own" that coordinate system. > > _______________________________________________ > Talk-GB mailing list > Talk-GB@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk-gb > -- Regards, Thomas Wood (Edgemaster) _______________________________________________ Talk-GB mailing list Talk-GB@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-gb
