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卫星用户和经营者正在向许多小型地面站增加传输音频及数据的业务,以补偿来自光纤和数字微波链路的竞争而可能出现的电话市场营业缩减期的损失。一些卫星投资较大的经营者,由于预感到电话营业缩减期的到来,为减少对卫星的依赖性,以及享有选择高密度长途通信的好处,目前正在把资金分投到其它种传输设施中。卫星天线波束覆盖的范围大,其灵活性比安装一点对多点的地面传输线路优越;当
Satellite subscribers and operators are adding to many small terrestrial stations services for the transmission of audio and data to compensate for the potential loss of telephone market contraction during the competition from optical fiber and digital microwave links. Some operators that invest heavily in satellites are currently allocating funds to other transmission facilities in order to reduce the dependence on satellites and to enjoy the benefits of choosing high-density long distance communications, presumably due to the shrinking telephone service period. Satellite antenna beam coverage of the large, more flexible than the installation of a point to multi-point ground transmission line is superior; when