Maps
Antenna Height Above Average Terrain (HAAT)
This program can be used to determine the antenna height above average terrain (HAAT), given the coordinates (latitude and longitude) and height of the antenna radiation center above mean sea level (AMSL) in meters. The HAAT is used to determine distances to field strength contours, coverage, and interference for FM and TV stations in the United States and its possessions (Puerto Rico, U.S. Virgin Islands, Guam, Mariana Islands, and American Samoa).
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geodata.gov
geodata.gov is a web-based portal for one-stop access to maps, data and other geospatial services that will simplify the ability of all levels of government and citizens to find geospatial data and learn more about geospatial projects underway.
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GIS Data Depot
The GIS Data Depot provides FREE GIS data downloads and creates custom GIS data CD-ROMs for CAD, mapping, and location based applications.
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Globexplorer.com
is the world's largest archive of earth imagery made available over the Internet for a host of business and consumer applications
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LANDINFO
Map, DEM, imagery and international GIS map products for over 60 countries. We market topo maps, digital elevation models (dem), FEMA flood maps, and a variety of other map products.
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MapInfo
MapInfo.com: we handle geographic informations systems and solutions for location based business intellegence. We help business go farther by understanding their markets.
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Maptech
Maptech Topo Maps NOAA Nautical Charts GPS interface,USGS topo maps (topographic maps) CD with FREE navigation software with GPS interface. Electronic (digital) NOAA nautical charts for marine navigation with marine viewing and navigation software with GPS interface. Maptech MapServer, ChartKit, Waterproof charts, Embassy cruising guides on CD ROM, Aeronautical Sectionals
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U.S. Maps
This is the place to find every type of free online map of the United States of America.
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Category Stats
Links: 13
Regular: 13
Last link added: 08/08/06
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