horizon.sghorizon.sg/wp-content/uploads/2012/11/Horizon-H9-Series-Total... · X (E coordinate), Y...
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horizon.sghorizon.sg/wp-content/uploads/2012/11/Horizon-H9-Series-Total... · X (E coordinate), Y (N coordinate), Z (elevation) backsight point name, backsight e. azimuth point name,