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What's the best coordinate system for UK in ArcGIS Pro and Online?

Question asked by sophie.horsley269 on Jul 17, 2017
Latest reply on Jul 17, 2017 by TPG@Wellington

I use ArcGIS Pro to create maps and then share them with my organisation in ArcGIS Online. I use a lot of data from Environment Agency, Natural England etc. overlaid on either a Google aerial photo or OS Street Map. What's the best coordinate system to use? If I use British National Grid in ArcGIS Pro and then load the map into Online lots of the datasets are slightly offset.

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