Correlation between floorNumber and floorRefId

Hi guys,
we are working with MSE from some time and few days ago an interesting issue appeared.
Do you know what is the correlation between floorNumber and floorRefId?
As we receive info about the maps from MSE API, it returns the value of the floor 'floorNumber' i.e. it gives us 2.
But after we've subscribed for notifications MSE API returns the users location including 'floorRefId' i.e. 'some long number'.
So the issue is to find the correlation between those two numbers to find out on which floor of the building the user is currently being located.
Any ideas? The best way would be to get it from the MSE with the map infos but I couldn't find how to do this.
Thanks in advance
Regards

i have the exact same scenario as you. When its 100% charged, WIFI works perfect. Start to go bad once its no longer 100%. And became worst at 90%. I hope apple is reading this and fix this asap.
EDIT: just FYI my iPad is WIFI + 4G (AT&T) 32GB Black.

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