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gdm2020
amateur radio GIS ham radio JUPEM malaysia map

Malaysian Coordinate Systems: Kertau, Datum, Map Projections, GDM2000, and GDM2020

9M2PJU June 23, 2026

Introduction If you have ever tried to overlay an old Malaysian topographic map onto a…

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malaysia map mapping navigation summits on the air
9M2PJU 0 Comments

Understanding Kertau 1948 and the Science of Geodesy

What is Kertau 1948? Kertau 1948, also known as Kertau (RSO) 1948, is a geodetic…

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June 3, 2024

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