There is more information available on How Satellites Work. That section includes information on satellites' orbits, predicting when satellites will be overhead, about Coordinated Universal Time and more.

Sensory Remote Sensing | Coded Signals from Space | How Well Can a Satellite See? Color Coded Signals | Visible and Infrared Imagery Tracking Sea Turtles | The Grave of the Titanic New! Site Index Let us know what you think! Space Available Gulf of Maine Aquarium Home Page Updated June 2, 2000. Copyright (c) 2000. Gulf of Maine Aquarium. All rights reserved. Please email comments to www@octopus.gma.org