Table of Contents
GDA
What is GDA?
What is the effect?
To visualise the difference
The difference - you could miss the game
GDA in WA
Why would you change?
Datums have been changed before, but….
PPT Slide
What could 200m confusion cause?
What happens to exploration boundaries?
What about analogue products - paper maps?
Digital data and products
How to convert?
Conversion methods
Block shift method
7 parameter method
Grid file method
Summary
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Author: Geoffrey
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