## [GeoStL] Re: Technical Question

• From: Timothy Hunt <geocaching@xxxxxxxxxxxxxx>
• To: geocaching@xxxxxxxxxxxxx
• Date: Thu, 15 Jan 2004 13:12:26 -0500

```-

clearly the degrees and whole minutes will be the same, so we
just need to do something to the seconds to make them the bit after the decimal
point of the minutes.  ANd it's really simple.  Divide the seconds by 60, then
add that to the minutes, rounding to three decimal places.  Taking some
obvious examples to check our maths:

N00 00' 15.000 => 15.000 / 60 = 0.250 => N00 00.250
N00 00' 30.000 => 30.000 / 60 = 0.500 => N00 00.500
N00 00' 45.000 => 45.000 / 60 = 0.750 => N00 00.750

Timothy
>
> I'm tapping into the deep end of the pool of geniuses (I'm in the
> shallow end) to find out if anyone knows how to convert Degrees,
> Minutes, Seconds (DMS)  to Degrees and Minutes (MinDec).
>
> I got to play with a \$10,000 Tremble that our work has to check some
> coordinates.  The closest I could come in the WGS84 format was DMS.  I
> wrote the coordinates down but they don't seem to look right.
>
> N00 00' 00.000 (DMS)
> N00 00.000 (MinDec)

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