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Motorhome Facts Forum Index -> Parts & Accessories -> GPS -> Sat Nav Help
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Sat Nav Help
299923 PostPosted: Thu Sep 06, 2007 10:27 am Thank this member for this postReply with quote
Don Madge Subscriber 02/08/2009 
 
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I'm new to Sat Nav and at present I have a Garmin Nuvi 250.

I'm slowly finding my way around it and I can put in co- ords and find places etc.

I have found by using Google Earth I can find the lat/long for many places but what I find confusing that the sat navs don't all use the same co - ords.

I use one site that gives both sets co - ords so that is not a problem but I would like to know how to covert decimals to degrees

Latitude : (Nord) 40.48374° Décimaux ou 40° 29′ 1.464′′

Longitude :(Est) 022.31626° Décimaux ou 022° 18′ 58.536′′

I would like to be able to do this with out being on line, just by using a hand calculator.

I've found this site useful
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for convert OS grid reference/post codes to Lat/Long

Thanks

Don

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299926 PostPosted: Thu Sep 06, 2007 10:36 am Thank this member for this postReply with quote
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Hi Don

Using your example

40 are the Degrees, then multiply .48374 by 60 which gives 29.0244, so 29 are the minutes, then multiply .0244 by 60 which gives 1.464.for the seconds

Andrew

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299950 PostPosted: Thu Sep 06, 2007 11:11 am Thank this member for this postReply with quote
Don Madge Subscriber 02/08/2009 
 
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androidGB wrote:
Hi Don

Using your example

40 are the Degrees, then multiply .48374 by 60 which gives 29.0244, so 29 are the minutes, then multiply .0244 by 60 which gives 1.464.for the seconds

Andrew


Andrew,

Many thanks another problem solved.

Don

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299952 PostPosted: Thu Sep 06, 2007 11:12 am Thank this member for this postReply with quote
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I had this problem, I wanted the co-ordinates of a number of sites, my answer was to set up a very simple spreadsheet.
Column A Position
Column B Position- Integer position
Column C B*60
Column D Column C-Integer Column C
Column E Column D*60

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299968 PostPosted: Thu Sep 06, 2007 11:49 am Thank this member for this postReply with quote
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Hi, Don

Check to see if there is a setup thingee on the satnav to change it. (I think) my TomTom has it, under "change units".

Gerald
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299980 PostPosted: Thu Sep 06, 2007 12:22 pm Thank this member for this postReply with quote
Don Madge Subscriber 02/08/2009 
 
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geraldandannie wrote:
Hi, Don

Check to see if there is a setup thingee on the satnav to change it. (I think) my TomTom has it, under "change units".

Gerald


Gerald,

Many thanks, I've had a "Play" and I can change the format around so I've learnt some else today.

It's still very useful to have the formula to convert the readings though.

Don

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300022 PostPosted: Thu Sep 06, 2007 3:12 pm Thank this member for this postReply with quote
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Some scientific calculators have the facility to do this.
Don can you plug the traffic reciever into yours. (i have the G 350) I bought one ogg ebay for about £34. Its very good at giving traffic reports.

Good luck with the Garmin. they are excellent sat navs. I did a review on mine on this forum if you look in the review section.

Phill

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300071 PostPosted: Thu Sep 06, 2007 5:29 pm Thank this member for this postReply with quote
Don Madge Subscriber 02/08/2009 
 
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drcotts wrote:
Some scientific calculators have the facility to do this.
Don can you plug the traffic reciever into yours. (i have the G 350) I bought one ogg ebay for about £34. Its very good at giving traffic reports.

Good luck with the Garmin. they are excellent sat navs. I did a review on mine on this forum if you look in the review section.

Phill


Phill,

The 250 is a very basic model. There's a slot for some sort of SD/XD card I think and there's the power socket but that's it.

I'm slowly getting there with it. Very Happy

I've loaded a couple of aires in Greece so I've got that sorted as well.

I need to sit down with somebody who can explain the functions to me. I'll find some unsuspecting soul at the York show and ruin there weekend Shocked

Don

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