2. Degrees, Minutes as decimal (DM.m)

3. Numerical

dd Degrees

ddd Degrees

M Minutes

MM Minutes

s Seconds

ss Seconds

D Direction

Values range from 0 - 180

Two digit values range from 00 - 180

Three digit values range from 000 - 180

Displayed with a decimal component that represents the seconds as a fraction of a minute,

eg 4 minutes, 15 seconds, displays as 4.25

Two digit values range from 00 - 59

Values range from 0 - 59

Two digit values range from 00 - 59

Displays 'East', or 'West' as appropriate

Two digit values range from 00 - 180

Three digit values range from 000 - 180

Displayed with a decimal component that represents the seconds as a fraction of a minute,

eg 4 minutes, 15 seconds, displays as 4.25

Two digit values range from 00 - 59

Values range from 0 - 59

Two digit values range from 00 - 59

Displays 'East', or 'West' as appropriate

position on its surface?

standard geographic coordinates called latitude and longitude.

These coordinates values are measured in degrees and represent

angular distances calculated from the center of the Earth.

Let's imagine the Earth as a giant sphere spinning around an

axis. The axis runs from the North and South Poles. The

Equator run around the earth, an equal distance from both

poles. The Equator is the latitude line with a he value of 0

(zero) degrees and is the starting point for measuring latitude.

Lines of longitude (called meridians) run perpendicular to lines

of latitude- and all pass through both poles. The Earth is

divided equally into 360 degrees of longitude with 180

degrees of longitude to the east of the Prime Meridian;**when **

the directional designator is omitted these longitudes are

given*positive*** values**. There are also 180 degrees of

longitude to the west of the Prime Meridian;**when the **

directional designator is omitted these longitudes are

given*negative*** values**.

axis. The axis runs from the North and South Poles. The

Equator run around the earth, an equal distance from both

poles. The Equator is the latitude line with a he value of 0

(zero) degrees and is the starting point for measuring latitude.

Lines of longitude (called meridians) run perpendicular to lines

of latitude- and all pass through both poles. The Earth is

divided equally into 360 degrees of longitude with 180

degrees of longitude to the east of the Prime Meridian;

the directional designator is omitted these longitudes are

given

longitude to the west of the Prime Meridian;

directional designator is omitted these longitudes are

given

North and South Poles.

passes through the center of the sphere. The Equator, each meridian, and

each other full circumference of the Earth forms a great circle. The arc of a

great circle is the shortest distance between two points on the Earth's

surface.

geographical poles and some third point on the Earth's surface. All points

on a given meridian share the same longitude.

parallel to the Equator and connecting points of equal latitude.

origin for the measurement of longitude. The meridian of Greenwich,

England, is the internationally accepted prime meridian.

Degrees of latitude and longitude can be further subdivided into

minutes and seconds: there are 60 minutes (') per degree, and 60

seconds (") per minute. For example, a coordinate might be written

65° 32' 15". Degrees can also be expressed as decimals: 65.5375,

degrees and decimal minutes: 65° 32.25', or even degrees, minutes,

and decimal seconds: 65° 32' 15.275".

One degree of latitude is approximately 69 miles, and a minute of

latitude is approximately 1.15 miles. A second of latitude is

approximately 0.02 miles, or just over 100 feet.

One degree of longitude varies in size. At the equator, it is

approximately 69 miles. The size decreases to zero as the meridians

meet at the poles. At a 45 degrees latitude, a degree of longitude is

approximately 49 miles.

minutes and seconds: there are 60 minutes (') per degree, and 60

seconds (") per minute. For example, a coordinate might be written

65° 32' 15". Degrees can also be expressed as decimals: 65.5375,

degrees and decimal minutes: 65° 32.25', or even degrees, minutes,

and decimal seconds: 65° 32' 15.275".

One degree of latitude is approximately 69 miles, and a minute of

latitude is approximately 1.15 miles. A second of latitude is

approximately 0.02 miles, or just over 100 feet.

One degree of longitude varies in size. At the equator, it is

approximately 69 miles. The size decreases to zero as the meridians

meet at the poles. At a 45 degrees latitude, a degree of longitude is

approximately 49 miles.

Commonly Used Terms |

to display your coordinates:

DecimalDegrees Minutes |

Numerical |

Degrees, Minutes,Seconds |

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