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Old 03-04-2013, 07:42   #1
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ECN Nav: Deg:Min or Deg.Decimal?

Hi folks,

When using electronic charting do you use Degrees Minutes Seconds; Decimal Degrees; or Degrees Decimal Minutes?

What do ships use?

Any pros and cons for either? (Except for transferring to Paper. that I couldn't give a ships rats bum about.)


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Old 03-04-2013, 09:36   #2
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Re: ECN Nav: Deg:Min or Deg.Decimal?

I generally use degrees and decimal minutes. This seems to be pretty common.
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Old 03-04-2013, 10:17   #3
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Re: ECN Nav: Deg:Min or Deg.Decimal?

Hi Mark,
I use degrees, minutes and decimals of minutes both at work, and on my own boat.
I find that degrees minutes and seconds are often used by surveyors, quite often at work we have to covert back to decimals. No idea why the survey guys use seconds, perhaps they perceive it as more accurate, then on the other hand, they also use eastings and northings, so, who knows.
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