I took a quick look, and both of those are DGPS systems which require special receivers capable of receiving and integrating their secondary signals. I doubt that the iPad will ever have that capability.
What both Michael and Tamara are trying to tell you is that you can't do it. The iPad's GPS does not have the capabilities, and neither company offers an app to do it.
There are RTK services available over IP networks, so that would be accessible to an iPad/iPhone etc. However the APIs in IOS don't allow the access to the GPS that would be required for this to work.
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