Short Answer
___________ have the following characteristics: • Circular orbit at an altitude in the range of 5000-12,000 km. • The orbit period is about 6 hours. • The diameter of coverage is from 10,000 to 15,000 km. • Round-trip signal propagation delay is less than 50 ms. • The maximum time that the satellite is visible from a fixed point on earth (above the radio horizon)is a few hours.
Correct Answer:

Verified
Correct Answer:
Verified
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