电离层传播预测程序，广泛运用于军事、民用电离层成波预测-ionospheric propagation prediction procedure, widely used for military, civilian, into the ionosphere wave forecast

计算电离层以及大气延迟，并可以输出GPS相关的大部分产品-Calculation of ionospheric and atmospheric delays, and can output the majority of GPS-related products

电离层三维数字射线追踪，可根据电离层参数获取群路径与地面距离的关系-Ionosphere 3D dimensional numerical ray tracing,the group can obtain the relationship between the path and the ground distance of ionospheric parameters