Ordnance Survey – Great Britain's national mapping agency
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Technical details
Select a product from the list below to view full technical information about it, including user guides and sample data:
Positional accuracy improvement (PAI)
This programme will allow us to capture data at 1:2500 scale to a greater absolute accuracy (absolute accuracy is the position of features in relation to the Ordnance Survey National Grid).
OS Insight™
For those that want to actively influence and develop Ordnance Survey's current and future products, join the new OS Insight programme.