GPS for Geographical Information Systems

Dave Newcomer
Trimble Navigation Ltd., Valencia, Pennsylvania


ABSTRACT

With its limitless potential, Global Positioning System (GPS) is predicted to become a "new utility". Supported by today's advancement in digital technology, GPS is fast becoming small enough and cost effective for innumerable applications.

The speaker will explain GPS in general, how it works, and different levels of accuracy depending on the techniques. An overview of Geographical Information System (GIS) and the integration issues between GPS and GIS will follow. Depending on the need, there are several different classes of product available in the market, e.g., 2-5 meter, sub-meter, and centimeter accuracy GPS.

Various applications of GPS in GIS will be discussed, including surveying, mapping, and vehicle tracking. Issues in using GPS in the electric transmission and distribution systems mapping will be explained in greater detail. These include initial surveys for transmission lines, location of existing facilities and integration with GIS.

ABOUT THE SPEAKER

Mr. Newcomer is a graduate of the University of Michigan with a degree in Civil Engineering with a concentration in Geodesy. He has been a practicing engineer and surveyor for more than 30 years. His experience includes work in traditional surveying techniques and 10 years of experience with the Global Positioning System.

GPS experience has come in through conducting seminars as well as training end users and completing actual field surveys. Mr. Newcomer has been employed by Leica, Inc. where he supported and trained customers on all types of Wild Instruments surveying equipment. He is currently employed by Trimble Navigation, a leading manufacturer of GPS equipment.

When: Thursday, Jan 18, 1996, 6:30 pm
Where: Lockheed-Martin Astro Space Auditorium
Rt. 571 (Princeton-Hightstown Road) & Rt. 535,
Entrance is at Rt.535.

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