5 ms·

What's "OS"?

• dtf 10y ago
  The Ordnance Survey grid system, a form of map coordinates in the UK. https://www.ordnancesurvey.co.uk/resources/maps-and-geographic-resources/the-national-grid.html https://www.ordnancesurvey.co.uk/resources/maps-and-geograph... https://en.wikipedia.org/wiki/Ordnance_Survey_National_Grid https://en.wikipedia.org/wiki/Ordnance_Survey_National_Grid
• dkersten 10y ago
  A quick google for "OS grid coordinates" found the answer: Ordnance Survey.