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Distances in Co-ordinates & G Earth Q.

 
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mpwilson99
Lifetime Member


Joined: Jun 30, 2007
Posts: 462
Location: Hickstead, Sussex

PostPosted: Tue Oct 21, 2008 11:33 pm    Post subject: Distances in Co-ordinates & G Earth Q. Reply with quote

Hi All,

Just two little questions, apologies if could be better placed in another forum.

1. How easy is it to work out the distances in miles between co-ordinates?
( in the -3.46100 , 51.20600 format )

So, if i wanted to know the distance in miles between say -3.46100 , 51.20600 to -3.40000 , 53.34100 for example whats the formula ?


2. When entering in co-ordinates into Google Earth, it appears you have to enter them in the other way around then the examples above.
Is there a setting i can tick somewhere which will allow them to go in as LON - LAT vice LAT - LON ??


Cheers

MPW
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MaFt
Pocket GPS Staff
Pocket GPS Staff


Joined: Aug 31, 2005
Posts: 14333
Location: Bradford, West Yorkshire

PostPosted: Wed Oct 22, 2008 1:35 am    Post subject: Reply with quote

hello :D

1) i use this site: http://www.movable-type.co.uk/scripts/latlong.html

2) it needs to be lat,lon - sorry!

MaFt
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M8TJT
The Other Tired Old Man
The Other Tired Old Man


Joined: Apr 04, 2006
Posts: 9887
Location: Bexhill, East Sussex, UK

PostPosted: Wed Oct 22, 2008 8:50 am    Post subject: Reply with quote

MaFt wrote:
1) i use this site: http://www.movable-type.co.uk/scripts/latlong.html
MaFt

Wow. I bet you use all the formulae as well. I'm not too keen on the fact that some of the formulae assume a spherical earth with a mean radius, as this must make a differenc of all of a cople of inches. Shocked

He He. But a good site, what Very Happy
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