I hope someone can help me out. I have a pair of these units that I would like to make into a relative or sort of homebrew differential GPS. One of my professors had a hypothesis that two of the same type of GPS would get similar errors and therefore we could easily compute a relative distance between the two GPS units with one being stationary. Anyway, I started to explore the idea and as of right now I get anywhere from 2 to 90 meters of distance between the two, while they are stationary and right next to one another (I’m talking millimeter actual distance). I plugged one of the units into my computer to check to see if it was getting the
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