Choosing a Global Positioning System Device for Use in U.S. Army Corps of Engineers Regulatory Districts
ENGINEER RESEARCH AND DEVELOPMENT CENTER HANOVER NH HANOVER
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Choosing a Global Positioning System GPS device for regulatory purposes involves tradeoffs between price, Corps-approved data transfer mechanisms, and accuracy. This report examines several devices representing different prices and accuracies and discusses accessories, such as external antennas, and software for the field and office. If a U.S. Army Corps of Engineers Regulatory District wants to purchase GPS units, we recommend they be one of the five devices described in this Special Re-port, depending on district needs, so that we are all using similar devices and can ensure appropriate levels of training and consistency.GPS technology is constantly being upgraded and refined, ever enhancing our ability to accurately locate positions on the Earths surface. The devices discussed here will be most useful for regulatory purposes within a few years of the publication date. This report will be updated as these devices become functionally obsolete.
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