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Augmentation & Assistance

Geneq Introduces Searchable, Worldwide DGPS Beacon Map

December 14, 2011


Geneq Inc. introduced an searchable, online map of DGPS beacon stations that allows users to search for free DGPS corrections anywhere in the world. Free, high precision DGPS corrections are broadcast in 42 countries around the world from terrestrial towers at ranges of up to 500km from each tower. Each tower supports an unlimited number of users and provides free DGPS corrections as accurate as 50cm.

Geneq has assembled, compiled and confirmed the most comprehensive list of DGPS base stations around the world. The vast majority of the stations and their details have been confirmed with the station operator. By simply clicking on the icon representing a tower, details are displayed including station name, transmitting identifier, broadcast frequency, bit rate, nominal range, broadcast message types, and reference datum.  

 
 
The Google Earth interface, with an ellipse showing the coverage area provided by each DGPS station, provides a user-friendly interface to search the world for sources of free DGPS corrections. DGPS beacon corrections are well-suited for marine navigation over water as well as high-accuracy GIS mapping on land and water. The DGPS correction, broadcast in the 283.5-325KHz frequency range, propagates very well over rugged terrain providing broad DGPS coverage over many parts of the world. It is used by mapping professionals in industries such as Forestry, Utility, Agriculture and other Natural Resources industries in addition to Municipal, State and Federal Government users as well as marine navigation users.
 

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