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Online GRF Transformation Service
​​The Online GRF-TT  is the Transformation Tool for transformation of geodetic coordinates between KSA GRFs (Geodetic Reference Frames). The coordinates could be either geographical or UTM projection coordinates. As well, Online GRF-TT enables the user to convert KSA-GRF17 ellipsoidal Height into orthometric Height using KSA-GEOID.
The Online GRF-TT can be used in two modes: Single point mode and MultiPoints mode.

To start service: click here​​

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