所有的地球同步卫星都在赤道上空35,785km高度运行，相对于地面观测者来说，它们的方位角和高度角是始终不变的。
All geostationary satellites orbit the earth in the equatorial plane at a height of 35,785 km above the equator and stand still at a fixed azimuth and altitude for an observer on the earth surface.
所有的地球同步卫星都在赤道上空35,785km高度运行，相对于地面观测者来说，它们的方位角和高度角是始终不变的。
All geostationary satellites orbit the earth in the equatorial plane at a height of 35,785 km above the equator and stand still at a fixed azimuth and altitude for an observer on the earth surface.
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