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My country Tanzania has many coordinate systems. These varry from Tanaganyika Traverse Mercator(TTM), Universal Traverse Mercartor(UTM-Clarke (ARC60), Township Coordinate Systems and many other established by Magnetic compass with assumed coordinates and many others computed in plane rectangular coordinates and do not take into account the spherical surface of tthe earths surface.

We are now establishing a new Geodetic ccontrol points established using GPS and tied to International Terresrial Referencew Frame(ITRF). We have established Four Continuous Global Positioning Satellite Observatrion Stationa(CORS),Ā Zero Order, First Order and Second Order point distributed allover the country.

What is the bestĀ desired tranformation processĀ to use to get transformation parameters for the different systems toĀ  WGS84 Reference System, a geocentric system?



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