| Ordnance Survey maps, and reading them Posted by GBM at 12:04, 22nd May 2026 | ![]() ![]() ![]() |
Incidentally, since when were OS grid coordinates called X and Y?[/i]
Since never, but unfortunately I assume the days of our schoolchildren being taught something as useful as Ordnance Survey map reading are long gone.
| Ordnance Survey maps, and reading them Posted by Bob_Blakey at 08:55, 22nd May 2026 | ![]() ![]() ![]() |
Incidentally, since when were OS grid coordinates called X and Y?[/i]
Since never, but unfortunately I assume the days of our schoolchildren being taught something as useful as Ordnance Survey map reading are long gone.
| Ordnance Survey maps, and reading them Posted by CyclingSid at 08:36, 3rd February 2025 | ![]() ![]() ![]() |
Incidentally, since when were OS grid coordinates called X and Y?[/i]
Presumably when the GIS user reads what is on their screen. Thankfully it is not Lat and Long to six digit accuracy. I assume they reference the centre (centroid) of the structures.
| Ordnance Survey maps, and reading them Posted by Chris from Nailsea at 00:17, 3rd February 2025 | ![]() ![]() ![]() |
Incidentally, since when were OS grid coordinates called X and Y?
My excellent geography teacher, Mr Stoyle at Plymstock School over 50 years ago, would have a fit if he could see that!

CfN.















