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Thread: Degrees, Minutes, Seconds or Decimal Degrees.

  1. #11
    Join Date
    Jun 2008
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    The new Gold Coast, after ocean rises,Queensland
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    I have a formula to convert the digital readouts from your phone or google to conventional degrees, minutes, seconds.
    Just can't find it at the moment but will put it up here tomorrow.
    Unless someone beats me to it.

  2. #12
    Join Date
    Jul 2006
    Location
    Brisbane, Inner East.
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    11,178

    Degrees

    I never saw anything but DMS used in machine shops to set up a precision angle on a job or machine tool. My old and my near new vernier protractor both use DMS.
    URSUSMAJOR

  3. #13
    Join Date
    Jan 1970
    Location
    Central West NSW
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    12,715
    I use UTM. Much easier and accurate
    Cheers
    Slunnie


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  4. #14
    Join Date
    Oct 2017
    Location
    Hobart
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    39
    Degrees minutes and seconds work for marine use. When the first gps started getting used in vehicles they had DMS as they came from marine.

    but if you compare working out where you are/need to be on a land based map between DMS and UTM, once you know how to do UTM you wouldnít go back, itís so easy.

    Sometimes we we get stuck with what we know, and canít see that moving forward is 5e way to go.

    Just my opinion.

    Charlie

  5. #15
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    Jun 2008
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    yes, it works all ways.
    In my role in marine rescue if a person gives us co-ordinates from their phone, our bookwork necessitates us to convert it to DMS for conventional mapping, however if we put their co-ordinates into our phone it shows us exactly where they are and we can proceed to their rescue. When we return we still have to convert for Marine standards paperwork.

  6. #16
    Join Date
    Jan 2017
    Location
    Geraldton WA
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    When I was crayfishing everything was in DMS But even back in the seventies in the Army it was all Mills.
    It's pretty easy to get your head around either it all depends which map or mapping software you are using at the time
    Interestingly the Hema paper maps and the Hema Explorer software I have are in DMS.
    You only get one shot at life, Aim well

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  7. #17
    cuppabillytea's Avatar
    cuppabillytea is offline Loud Mouthed Rat Bag Gold Subscriber
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    My Google earth has DMS and decimals of seconds.

    I was educated in DMS but was also educated to learn and use the language of whatever ship I was on.
    The land is a ship that travels at 2'' a year.
    I'd be much happier if the land was charted with Mercator Charts though.
    Cheers, Billy.
    Keeping it simple is complicated.

  8. #18
    Join Date
    Oct 2017
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    Hobart
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    Quote Originally Posted by cuppabillytea View Post
    I'd be much happier if the land was charted with Mercator Charts though.

    PSML

  9. #19
    Join Date
    Feb 2010
    Location
    Melbourne
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    900
    Quote Originally Posted by JDNSW View Post
    I've been using DMS for about 70 years - and don't expect to change!

    If you are going to change, why not go to radians!
    Or Gons...try Gons for something different.

    I'm a land surveyor and DMS all the way, mind you if you ever need to use any of the bearings to calculate some trig you'll need to convert to DD, so just get around both

    (Gave me a good laugh the Radians comment)
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  10. #20
    Join Date
    Nov 2010
    Location
    Adelaide
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    303
    Quote Originally Posted by p38arover View Post
    DMS are too hard to accurately position on a map and impossible on a street directory.

    i use UTM - Eastings and Northings. Using those, it is extremely easy, down metre accuracy, to locate or position oneself on a map.

    The grid on a topo map is in multiples (or fractions) of 1000 metres and the numbers refer to Eastings and Northings. Ditto on a street directory (if you young blokes have ever seen one )

    I used to use DMS or decimal when I worked with hydrographic charts (plotting submarine cable positions or trawlers).
    UTM is fine for absolute referencing but not much good for course plotting, for that you need a relative bearing. Cardinal points don't cut it, so you have to use degrees. And for anything less than one degree you need to use either minutes and seconds or decimal degrees...

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