Could this be the way ahead?
Interesting Facts About GPS:
- The first GPS satellite was launched in 1978.
- A full constellation of 24 satellites was achieved in 1994.
- Each satellite is built to last about 10 years. Replacements are constantly being built and launched into orbit.
- A GPS satellite weighs approximately 2,000 pounds and is about 17 feet across with the solar panels extended.
- Transmitter power is only 50 watts or less.
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      Learn More About GPS Satellites
Created by: Abby Cycotte
Date: March 1, 2006
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