Lat/long question?
if given a coordinate 49degree 25 min N by 6 degrees 00 minutes W
how close could you get?
or I guess accuracy to within 1 mile, etc.
Thanks
Answer:
You could stand (in a boat!) just about on the spot if that was the precise location -- but I think you're asking a different question.
1 minute of latitude is about 1.15 miles and since you've measured a position to the nearest minute, that is as accurately as you'd be able to describe an arbitrary point with that level of precision.
If you take a GPS receiver and a decent ship you can go there at the west opening of the English Channel with an accuracy of less than 20ft
In the Atlantic Ocean, about 10 miles East of St. Mary's in the Isles of Scilly.
1 minute of latitude is about 1.853 km (1.1 miles or 1 nautical mile), this should be anywhere on the globe since latitude lines are equidistant.
Ships use the Nautical mile quite frequently. If you are moving 20 knots (nautical miles an hour) directly north or south, you move through 20 minutes of latitude in an hour. As pointed out below, this is not true for east and west.
At the equator, (0 degrees), 1 minute of longitude is about 1.853 also, but if you go up to New York (40 N) its only 1.42km. (.87 mi) The further north you get the closer the longitude lines are to each other.
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how close could you get?
or I guess accuracy to within 1 mile, etc.
Thanks
Answer:
You could stand (in a boat!) just about on the spot if that was the precise location -- but I think you're asking a different question.
1 minute of latitude is about 1.15 miles and since you've measured a position to the nearest minute, that is as accurately as you'd be able to describe an arbitrary point with that level of precision.
If you take a GPS receiver and a decent ship you can go there at the west opening of the English Channel with an accuracy of less than 20ft
In the Atlantic Ocean, about 10 miles East of St. Mary's in the Isles of Scilly.
1 minute of latitude is about 1.853 km (1.1 miles or 1 nautical mile), this should be anywhere on the globe since latitude lines are equidistant.
Ships use the Nautical mile quite frequently. If you are moving 20 knots (nautical miles an hour) directly north or south, you move through 20 minutes of latitude in an hour. As pointed out below, this is not true for east and west.
At the equator, (0 degrees), 1 minute of longitude is about 1.853 also, but if you go up to New York (40 N) its only 1.42km. (.87 mi) The further north you get the closer the longitude lines are to each other.
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