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Senior Project - ECLIPSSE


GPSSIM: Satellite Simulation for Microsoft Windows

Senior Project: 1992-1993
Jan Birkelund, Theresa Karan, Randall Silva and Michael Tsang
Monument, CO

NAVSYS specializes in developing custom hardware and software for applications involving the use of the Global Positioning System (GPS). GPSSIM is a satellite simulation program which allows a user to determine the positions of satellites for future dates. The user can use these positions to find out when satellites will be in view to a particular area on the earth. The original program was written in a DOS environment, using a mixture of text and graphics. The goal of the project was to write a new interface to take advantage of the Windows NT 32 bit operating environment. Designing and implementing this new interface entailed creating windows and menus which allow the user to input parameters, run simulations, and analyze data. Graphic screens were used within the simulations to depict satellite motion and user locations. Multi-tasking was added so that simulations could be run simultaneously. The software was implemented in the C programming language.

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College of Engineering and Applied Science
University of Colorado Boulder
Boulder, CO 80309-0430 USA
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