Originally Posted By: HXW

angular velocity omega , but it should be paid special attention to the fact that it is also proportional to radius R . Although the angular velocity of earth revolution was much less than that of earth rotation, the earth revolution’s radius R was much larger than earth rotation’s radius r .


I have answered this several times, and you can look up any reference if you don't believe me: R is the radius of the loop, not the radius of the orbit. A circular loop between China and Japan has R ~ 1000km.