#31: Transoceanic crossings, part 2
Update: 2019-04-06
Description
This is part 2 of a 6-part series on transoceanic flights. Transoceanic flights date back to Charles Lindbergh’s famous Spirit of St. Louis flight in 1927, but today the world is quite different, with numerous procedures and rules to keep us safe as we fly across the ocean. In part 2, I cover high-frequency radio, and how it’s used to send messages over the horizon, and selective calling, or SELCAL.
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