1　前言1999年夏季国家电视总局召开了全国性的扫除电视盲区的工作会议,提出了全国性的广播电视“村村通”工程建设工作,全国各省、地、市县纷纷响应。我县广播电视局领导根据县上电视盲区的多山、多河流用户较集中且村屯较小多呈长方形格局等地理环境特点,信号放大器材选用了? 1 Introduction In the summer of 1999, the State Administration of Television Industry held a national conference on eliminating blind spots in television broadcasting and proposed a nationwide radio and television project called “every village” project. Various provinces, prefectures and counties and cities all over the country responded. County Radio and Television Bureau under the leadership of blind spots on the county television mountainous, multi-river users are more concentrated and smaller village was rectangular pattern and other geographical features, the signal amplification equipment used?