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Offshore Surveying

Edwards and Associates Ltd., through contract with larger offshore positioning companies, has been involved in a wide array of positioning projects on a world-wide basis. Some of the countries where personnel have worked include Ghana, Ivory Coast, Great Britain, Brazil, and United States of America.

Offshore projects are carried out using the latest in positioning techniques with personnel being functionally familiar with the following positioning systems:

Radio Navigation:

• Loran-C, Argo, Syledis, Trisponder and Mini-Ranger

Satellite:

• Trimble, Magnavox, Leica, Ashtech Satellite Receivers
• StarFix and Skyfix Satellite systems.
• Differential Satellite Positioning
• Acoustic Systems, long, short, and ultra-short baseline positioning systems; single beam and multi-beam echo sounders.

Software Packages:

• Integrated navigation software including Winfrog and Navpak;
• Differential GPS software for data collection, analysis and adjustments

CARIS Geographic Information Systems for Windows

• H.I.P.S. (Hydrographic Information Processing Systems) to process multi-beam echo sounder data.
• S.I.P.S (Sonar Image Processing Systems)
• Various Coordinate geometry and geodetic software packages

Copyright 1999 Edwards & Associates