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Subroutine for computing an Ionospheric range correction for the GPS L1 frequency from the parameters broadcasted in the GPS  Navigation Message. 

车载GPS导航设备国标，车载电子开发者必备资料-GPS Navigation Standard

使用C语言编写的计算GPS卫星在任意时刻的三维速度的程序-Calculation of GPS satellites at any time three-dimensional velocity

读取及绘制TEQC的report files。TEQC 是用于计算许多GPS pre-processing问题的Toolkit（可应用于GPS/GLONASS/SBAS等数据） -reading and drawing TEQC the report files. TEQC is used to calculate many GPS pre-processing of the Toolkit (available used GPS/GLONASS/SBAS data)

该程序是mobile５.0　ppc２００３系统下的，走http协议，通过无线网络的客户端升级程序．需要做在客户端升级的同仁们，可以参考一下．-The program is mobile5.0 ppc2003 systems and take the http protocol, through a wireless network client upgrade process. Does the client need to upgrade their Tongren, you can reference.

GPS设计全功略，很好的书籍值得研究一番，希望对你们有用-GPS design full-sina, well worth studying books about it, hope that useful to you

利用gps计算太阳日出日落时间，测试过很准确-suncalc

gps中CA码在matlab环境下编译产生-gps in the CA code in matlab environment to compile generated

SINS解算 GPS数据生成 卡尔曼滤波程序。卡尔曼滤波实现 卡尔曼，适合做组合导航的研究生或者本科生使用 还包括SINS解算程序

GPS SC-1513 datasheet