How Lost Hikers Can Send an SOS to Space

The SARSAT satellite system is a kind of celestial lifeguard for explorers, boaters, and aviators who might be in need of search and rescue.

How Lost Hikers Can Send an SOS to Space
The SARSAT satellite system is a kind of celestial lifeguard for explorers, boaters, and aviators who might be in need of search and rescue.
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