What is the FCC Part 97 definition of a space station?
Any satellite orbiting Earth
A manned satellite orbiting Earth
An amateur station located more than 50 km above Earth's surface✓Правильный ответ
An amateur station using amateur radio satellites for relay of signals
Объяснение
Part 97 defines a space station purely by altitude, not by crew or by what it does. Anything amateur transmitting from more than 50 km up qualifies, and a non-amateur satellite does not.