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If your are interested in the math behind this calculation then ... Here is a page showing the important sections of the code that performs this calculation. ...
http://jan.ucc.nau.edu/~cvm/latlongdist.html
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distance
latitude
longitude
gps
calculator
maps
geography
math
gis
reference
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View topographical and city maps of any place in the United States at different zoom levels and sizes.
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maps
topographic
reference
geography
gis
map
mapping
travel
gps
hiking
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Google Maps Distance Calculator can find the distance between two or more points on a map
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maps
distance
google
calculator
tools
googlemaps
map
travel
running
web2.0
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GPS Visualizer is a free utility that creates customizable maps and profiles from GPS data (tracklogs & waypoints), addresses, or coordinates.
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gps
maps
mapping
tools
visualization
map
software
google
gis
googlemaps
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Design and explore interactive multimedia maps of the country's natural and socio-cultural landscapes. From the U.S. Geological Survey and its partners.
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maps
geography
reference
atlas
government
gis
usa
map
mapping
statistics
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Information, software, and hardware reviews of name brand GPS receivers and PDAs, plus instructions, software, and tutorials.
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gps
reviews
geocaching
software
hardware
information
reference
maps
gis
review
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Via SlashGeo comes word that the multi-platform GPS format converter ... Most obvious change is in the interface, which moves to a common Qt base for the ...
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gis
gps
maps
tools
mapping
software
geography
googleearth
free
opensource
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Front-end service which applies TerraServer photography to a set of variables.
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maps
googlemaps
google
map
mapping
gis
gps
reference
tools
geography
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Focuses on 18th and 19th century North and South American cartographic materials. Includes maps, atlases, globes, school geographies, and maritime charts.
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maps
history
cartography
reference
geography
map
gis
art
archive
mapping
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Free editable map of the whole world.
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maps
opensource
gps
map
wiki
mapping
gis
free
web2.0
travel
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Aims to visit each of the latitude and longitude integer degree intersections in the world, and to take at least one picture at each location.
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gps
geography
maps
travel
photography
photo
map
geo
photos
geocaching
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