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Author Topic: Provincial measurement standards used ?  (Read 196 times)

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Offline Davidloc

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Provincial measurement standards used ?
« on: March 12, 2019, 08:50:43 AM »
This is referring to Ontario's MLAS site but I would imagine they are the same Canada wide. The format is XX.xxxxxx N  , YY.yyyyyy W for example but I can't seem to find any conversion from DMS that gets the same coordinates on their official map.

Offline JOE S (INDY)

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Re: Provincial measurement standards used ?
« Reply #1 on: March 12, 2019, 10:34:44 AM »
OK David, here goes --- lets use the random location of 62D 15m  25 s    (N, S, E, or W doesn't matter)

The most basic way to arrive at an answer goes like this ---

On a piece of paper write down the number of full degrees =  62.0000

There are 60 minutes in a degree so divide 15 by 60 =                      .2500

There are 360 seconds in a degree so divide 25 by 360 =               .0694

Add all 3 numbers and that is what you are trying to find =       62.3194
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Offline placermaster

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Re: Provincial measurement standards used ?
« Reply #2 on: March 12, 2019, 11:39:45 AM »
This site is pretty good at converting all kinds of coordinates, I use it to convert the Northings & Eastings from MTO into Google Map Coordinates.

https://leware.net/geo/utmgoogle.htm

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Offline Davidloc

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Re: Provincial measurement standards used ?
« Reply #3 on: March 12, 2019, 01:44:05 PM »
Thank you gentlemen , that seems to have done it. I originally thought it might be some variant of Dms or DMs (lowercase denotes decimal conversion) but no convertor would accept DMs which Google seems to be going with.

Offline buckshotbob

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Re: Provincial measurement standards used ?
« Reply #4 on: March 12, 2019, 03:28:44 PM »
U T M grid is whats used reset your gps to it and life becomes a whole lot easier. I used to convert it now I use it . Due to the new cash grab known as map staking they get more precise lines and without an inspector no checks are required.Of course without actually walking on the ground they raised the price from 60 dollars a square mile to 500 on the premise that they saved you money not having to pay a staker. This is why I let my licence go in Ontario we poor individuals that have two strings and a cup internet can.t beat a high speed desk jockey in Toronto.

 aim low they are riding shetlands.

Offline Davidloc

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Re: Provincial measurement standards used ?
« Reply #5 on: March 12, 2019, 03:40:01 PM »
UTM on my GPS gives for example 18T 448112.0mE , 5021574.1mN which I admit will take some getting used to but what you said makes sense. Time to read up on UTM Grid.

Offline jobinyt

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Re: Provincial measurement standards used ?
« Reply #6 on: March 12, 2019, 03:48:35 PM »
Garmin, and likely most, GPS units, allow selecting the GPS format; changing the format does an instant conversion. I think what Joe described is the handiest - except if you've got your GPS in hand and want to share/input an unaccustomed format. Changing to the appropriate format can save making the calculation and possibility of error.

Offline bruno

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Re: Provincial measurement standards used ?
« Reply #7 on: March 12, 2019, 10:02:58 PM »
I open MTO and go to the bottom left corner and open up the box with all the different measurementsUTM.png

 


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