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Not sure where a thread might this go, if it is in the wrong section... feel free to move it.

I am trying to convert long/lat numbers to upload to my Raymarine C120. I wanted to check and make sure I am converting the long/lat numbers correctly.

I understand that something like:
95 30' 45" converts to 95 30.75' (45 divded by 60 = .75)

but where I am confused is when the seconds are greater than 60 like:
27 49' 595"
would this convert to 27 58.91667"?

I am headed out this weekend and want to make sure that I am inputting these correctly. :)
 
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