The Global Positioning System, or GPS, is a satellite-based navigation system operated by the United States Government. It can be used for military or civilian purposes. The GPS uses satellites that broadcast signals that enable ground-based receivers to determine each satellite's location and its distance from the receiver. Using this data the receiver can determine its own location. At the present time, errors are deliberately introduced into the part of the system to which civilians have access. Receivers for civilian use can be purchased for as little as $150.00 in many sporting goods stores and discount stores and by mail order.
The GPS is an extraordinarily rich subject for study -- its history, its scientific and mathematical base, and its applications. This case study includes a number of modules that cross disciplinary lines and that can be used from elementary school through graduate school. In addition, we will use this case study as a venue for discussing some of the choices and issues that arise in writing and using Connected Curriculum material.
We are working on the following individual modules. We would appreciate your comments on these works-in-progress.
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Department of Mathematics, Engineering, Computer Science, and Physics Carroll College, 1601 N. Benton Avenue, Helena, MT 59625