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利用VSAT(Very Small ApertureTerminal超小型卫星通信地球站)的数据通信网现正取得迅速发展。VSAT的特点是可以将它简单地设置在办公楼顶、墙壁以及停车场等场合。本文以美国为中心介绍VSAT的发展应用情况。一、美国的VSAT现状据目前调查结果,美国启用VSAT的企业约有120家以上,VSAT的总台数(含计划值)约为48000个。VSAT在企业中的分布情况是,小型商店约占总数的1/4;其次是金融部门占20％;再其次是数据业务、旅店、出租汽车行业。小型商店中主要是用
Data communications networks utilizing VSAT (Very Small Aperture Terrestrial Satellite) are gaining momentum. VSAT is characterized by its easy to set the office building roofs, walls and parking and other occasions. This article introduces the development and application of VSAT in the United States. First, the status quo of the United States VSAT According to the current survey results, the United States about VSAT enabled VSAT more than 120 companies, VSAT total number of units (including planned value) is about 48,000. VSAT in the distribution of enterprises, small shops account for about 1/4 of the total, followed by the financial sector accounted for 20%, followed by the data services, hotels, the taxi industry. Mainly used in small shops