Longitude

EarthTools (Popularity: )

Uses Google Maps data to find places, sunrise / sunset times, elevation, local time, and ...
Category: Science\Geography\Cartography

Spherical Trigonometry, Arc Distance Formula (Popularity: )

Finding the shortest distance between two points on the earth given latitude and longitude. Download ...
Category: Science\Math\Geometry\Non-Euclidean

UK Placename and Street Gazetteers, Postcodes, Latitude & Longitude, Grid Coordinates and Addresses (Popularity: )

UK information. Site includes explanation of UK Postcode system with maps, listings and PostTowns, plus ...
Category: Science\Social Sciences\Geography\Place Names

Kingfisher Maps (Popularity: )

Kingfisher maps has been producing quality maps since 1970. From contour lake maps to county ...
Category: Science\Social Sciences\Geography\Cartography

James Q. Jacobs - Geodesy Page (Popularity: )

Definitions relating to geodesy, explanations of coordinate systems, and geodesy formulas. Reference ellipsoid defined with ...
Category: Science\Earth Sciences\Geomatics\Geodesy

GPS Drawing (Popularity: )

Project featuring a gallery of large-scale drawings derived from Global Positioning System data.
Category: Science\Geography\Navigation

Geosurface Technologies (Popularity: )

Programs for download include coordinate geometry, survey file format convertion and a utility assist the ...
Category: Science\Earth Sciences\Geomatics\Land Surveying

ZipMath (Popularity: )

World database with latitude and longitude coordinates. Includes formula for calculating the distance between any ...
Category: Science\Social Sciences\Geography\Geographic Information Systems

The Solar System in Action: Earth (Popularity: )

General information about the planet and some pictures.
Category: Science\Astronomy\Solar System\Earth

NOVA: Lost at Sea - The Search for Longitude (Popularity: )

Companion to the PBS special about the quest for a method of determining a seafaring ...
Category: Science\Geography\Navigation

Degree Confluence Project (Popularity: )

Aims to visit each of the latitude and longitude integer degree intersections in the world, ...
Category: Science\Geography\Navigation

Mercury (Popularity: )

Introduction to the closest planet to the Sun, with details of the Messenger mission.
Category: Science\Astronomy\Solar System\Mercury

Sundial, calendar and Khmer temples (Popularity: )

Experimental astronomy applied on research of solar orientation of the temples in SE-Asia.
Category: Science\Astronomy\Amateur

Maps of India (Popularity: )

Includes India's state and union territories, population, air network, railway, mineral, income, highway, literacy, and ...
Category: Science\Geography\Cartography

The National GPS Network (Popularity: )

Resource from the UK Government intended for GPS-equipped surveyors, and Geographic Information Systems (GIS) developers ...
Category: Science\Earth Sciences\Geomatics\Global Positioning System

Fraunhofer Lines (Popularity: )

Prominent Fraunhofer lines in the spectrum of the sun are shown, together with their corresponding ...
Category: Science\Physics\Education\Light and Optics

The Solar System in Action: Moon (Popularity: )

General information about the satellite, the eclipses and the phases, presented in a popular language.
Category: Science\Astronomy\Solar System\Earth

RISC OS astronomy software links (Popularity: )

[commercial & freeware - RISC OS] Direct links to astronomy software available for RISC OS.
Category: Science\Astronomy\Software

The Solar System in Action: Pluto (Popularity: )

Introduction to the last unexplored planet.
Category: Science\Astronomy\Solar System\Pluto

DeLorme Co. (Popularity: )

Maps, mapping products, GPS products.
Category: Science\Earth Sciences\Geomatics\Products and Services