Surveying's New Promise: Centimeters from Space

by Rita Robison, Assoc. Ed.; Civil Engineering—ASCE, 345 East 47th St., New York, N.Y. 10017,

Serial Information: Civil Engineering—ASCE, 1984, Vol. 54, Issue 2, Pg. 36-40

Document Type: Feature article


One centimeter accuracy at far less cost than surveying by traditional methods is promised by the Global Positioning System (GPS). Signals from NAVSTAR satellites are received by two or more proprietary units and processed by a computer. Case histories show how this new technology is being applied by governmental agencies and a private surveying firm. The potential of GPS is projected.

Subject Headings: Global positioning systems | Geomatic surveys | Case studies | Surveys (non-geomatic) | Satellites | Signal processing | Computing in civil engineering | Government

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