![]() ![]() Or, project from ITRF00 to NAD83(CORS96) and just assume that NAD83(CORS96) = NAD83(1986). ![]() Also, consider the accuracy of your existing NAD83(1986) GIS map data. In this case, just assume ITRF00 = NAD83(1986). If 2 m falls within your error budget, then there is likely no need to transform. To answer your question, deciding whether to transform your GPS data from ITRF00 to NAD83(1986) all depends on the accuracy requirements of your project. ITRF00 (which is equivalent to WGS84(G1150) at the decimeter level), differs from NAD83(1986) by ~1 to 2+ meters horizontally, depending on your location.
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