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Co-ordinate Formats

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Good day geocachers,


I'm fairly new to this business, but so far I have a query regarding the co-ordinate formats in use. Back in the day when I first learnt to navigate, we used a .XX second system (i.e. 33°50.45S), whereas nowadays I see that part contains three digits.


How does this relate to the older system?




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The most common format for geocaching is DD MM.MMM


Instead of using seconds, we use decimal minutes:


If you take the seconds portion and divide it by 60, you will get decimal minutes


45/60 = .75


33°50.45S = 33°50.750


Hope this helps.

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