1.
earth station in the radio navigation-satellite service
无线电导航卫星业务的地面站
2.
radionavigation-satellite service
卫星无线电导航业务
3.
mobile earth station in the radio determination-satellite service
无线电定位卫星业务的移动地面站
4.
fixed earth station in the radiodetermination satellite service
无线电定位卫星业务地面站
5.
aeronautical radionavigation-satellite service
卫星航空无线电导航业务
6.
maritime radionavigation-satellite service
卫星水上无线电导航业务
7.
aeronautical radionavigation service
航空无线电导航业务
8.
earth station in the fixedsatellite service
固定卫星业务地面站
9.
earth station in the meteorological-satellite service
气象卫星业务地面站
10.
radiodetermination-satellite service
卫星无线电测定业务
11.
An electronic system designed to follow the course of satellites and rockets and correlate radio signals received by a network of ground stations.
卫星跟踪系统设计用来跟踪卫星或火箭的航线并将地面站网接受到的无线电信号相互关联的电子系统
12.
mobile earth station in the maritime mobile-satellite service
水上行动卫星业务的行动地面站
13.
maritime radio navigation service
海上无线电导航业务
14.
aeronautical fixed radio service
固定无线电导航业务
15.
DDFS in a SDR Portable Satellite-Earth Station
软件无线电卫星便携地面站中的直接数字频率合成器
16.
tracking station (place from which the movements of satellites,missiles,etc are tracked by radar or radio)
（用雷达或无线电追踪卫星、导弹等的）跟踪站.
17.
ground radio navigation aid
地面无线电导航设备
18.
The video instrument is commonly used for adjusting the ground satellite station's antenna, but the common user hasn't it.
地面卫星站天线的调试,一般都采用卫星频谱仪进行,但一般用户都无卫星频谱仪。