Age range: 14 - 16
Resource type: lesson plan
Project: Space Awareness
Author: Markus Nielbock
This activity simulates the positioning procedure of GPS receivers by trilateration. The pupils are provided with a map and a model 2D configuration of four satellites transmitting their signals. The imagined GPS receiver only displays the signal travel time from which the students have to derive the distance from the satellites and transfer this information on a map. Combining all data, the students will be able to locate their approximate position. Finally, by interpolating the result graphically, they will even be able to correct the simulated clock of the imagined GPS receiver (for advanced pupils). The activities are introduced with an optional exercise that lets them identify European countries on a map.
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