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OT.How to convert degrees mins sec to decimal

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  • OT.How to convert degrees mins sec to decimal

    Hi, The NASA site requires your location in decimal for "Sighting Opportunities". I have my exact location in Degrees Minutes and Seconds.
    South will be minus of course.
    My co-ordinates were given to me by a visitor with a GPS years ago.
    How do I convert to Decimal?

    Rgds
    Last edited by miker; 06-25-2007, 01:23 AM.
    Michael

    Australia

  • #2
    deg + min/60 + sec/3600 = decimal degrees
    Regards, Marv

    Home Shop Freeware - Tools for People Who Build Things
    http://www.myvirtualnetwork.com/mklotz

    Location: LA, CA, USA

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    • #3
      http://www.fcc.gov/mb/audio/bickel/DDDMMSS-decimal.html

      Or do it yourself with this:
      To change from DM or DMS to DD, Decimal degrees = whole number of degrees, plus minutes divided by 60, plus seconds divided by 3600. (Use 4 decimal positions.)
      Last edited by CCWKen; 07-08-2006, 07:33 PM.

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      • #4
        Thanks very much gentlemen.
        The NASA online TV coverage is great.

        rgds

        Michael
        Michael

        Australia

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        • #5
          Originally posted by miker
          Hi, The NASA site requires your location in decimal for "Sighting Opportunities". I have my exact location in Degrees Minutes and Seconds. S 33* 29' 18.9'' E 150* 49' 46.1" .
          South will be minus of course.
          My co-ordinates were given to me by a visitor with a GPS years ago.
          How do I convert to Decimal?

          Rgds
          Many hand calculators have this sexagesimal function built in. Also useful for hours, minutes, and seconds conversions. Lloyd

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          • #6
            Originally posted by LastOldDog
            sexagesimal function
            There's actually a word for it?

            I've always liked HP scientific calculators, and all I've owned have conversion between hours-minutes-seconds and decimal hours. I used to have to use them to tally up hours on a timecard, but they work just as well for degrees-minutes-seconds.

            -Mark
            The curse of having precise measuring tools is being able to actually see how imperfect everything is.

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            • #7
              Unary
              Binary
              Ternal or ternary
              Quartal
              Quintal
              Sextal
              Septal
              Octal
              Novennary
              Decimal or denary
              Duodecimal (base 12)
              Hexadecimal (16)
              Vigesimal (20)
              Septemvigesimal (27)
              Sexagesimal (60)

              That's all I can remember for now but by the rules of latin a name can be constructed for any numerical value.

              For instance, novemnonagintennary is base 99 and octononagintennary is 98. (I looked those up)

              Incidentally, the months September (7), October (8), November (9) and December (10) are no longer correctly named since a couple of Roman emperors made two new months and named them after themselves, Julius and Augustus.
              Last edited by Evan; 07-10-2006, 01:44 PM.
              Free software for calculating bolt circles and similar: Click Here

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              • #8
                Yikes, it's like reading a porn novel Evan!

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                • #9
                  Yeah. Makes one wonder where the word "sex" originated since it means six of something.

                  Must have been those romans...
                  Free software for calculating bolt circles and similar: Click Here

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                  • #10
                    Originally posted by Evan
                    Yeah. Makes one wonder where the word "sex" originated since it means six of something.

                    Must have been those romans...
                    Why are you missing four ????

                    .
                    .

                    Sir John , Earl of Bligeport & Sudspumpwater. MBE [ Motor Bike Engineer ] Nottingham England.



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                    • #11
                      Hmm. Should be quarternary, not quartal. Quartal is 1/4th.
                      Free software for calculating bolt circles and similar: Click Here

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                      • #12
                        Who's Taking the P!ss Out of Me??

                        "Many hand calculators have this sexagesimal function built in. Also useful for hours, minutes, and seconds conversions. Lloyd"

                        My calculator only has Sylvester and Tweety trying to do something that may be related to Evan and John's verbage.

                        I might just go to some other board and say how you have all been rude to me. So there!!
                        Michael

                        Australia

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