目前许多学校相继都建立了卫星电视接收站 ,用以接收教育频道节目 ,但由于管理人员多为非专业技术人员兼职 ,技术水平上存在不足 ,使接收站投入使用后不能完全发挥作用 .存在的问题有 :缺少快速准确对卫星定位的经验 ;天线位置选择不合理 ,导致信号受到干扰或节目换台时因建筑 At present, many schools have successively set up satellite television receiving stations to receive educational channel programs. However, because managers are mostly part-time non-professional technicians and have inadequate technical skills, the receiving stations can not fully function after they are put into operation. The problems are: the lack of fast and accurate satellite positioning experience; antenna location is not selected, leading to signal interference or program due to change the building