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August 18, 1997
Source: International Dredging Review Moderately-priced, leased GPS-based positioning systems are now available for small dredging projects. A typical system includes a standard PC compatible computer, with Trimble 4000 series differential GPS and Windows-driven software such as HYPACK. A properly-qualified technician can install a basic system on a small to medium-sized dredge in one or two days. Once the system is set up, a person with basic knowledge of electronic navigation equipment (such as Loran) can be trained to operate the system in less than two days. As with all electronic equipment, GPS systems are not without a few problems, but...
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