And then check a little tcl, tck version with the path, if different to your own...

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

此代码为任何nmea gps模块制造，并专门用于nmea gr-87 gps模块。

GPS车载导航系统的地图匹配算法研究。地图算法-GPS car navigation system, map matching algorithm

GPS源程序，使用MATLAB程序编制，经过了实际测试，程序运行良好，值得推荐，特别适合初学者。

大名顶顶的gpsd，很多开源软件都用的，与gps硬件进行通讯-顶顶name of gpsd, a lot of open source software are used with the gps hardware communications

使用vb.net编写的一个gps数据采集软件，可以通过串口采集gps数据。-A GPS data reader application which can obtain GPS data from serial port easily

目前GPS（全球定位系统）定位应用市场日趋成熟，正在进入应用的高速发展时期。本文以一款EverMore公司的GM-X205GPS接受模块为例，介绍了其数据格式，以及应用PIC16F874单片机RS232串口进行数据接收的程序-current GPS (Global Positioning System) location-based applications market becomes more mature, Applications are entering a period of rapid development. A EverMore paper to the GM-X205GPS accept modules for example, introduced a data format, and the application of PIC16F874 RS232 serial port for data receiving program

gps源码 ，支持北斗和GPS，显示经纬度，时间，海拔，获取卫星数量。

GPRS蓝斯DTU数据中心VB源代码，用于服务器-GPRS Lance DTU Data Center VB source code for the server

Lamda算法：GPS快速整周模糊度算法的核心，当今最好的GPS定位算法之一。-Lamda algorithm: GPS fast algorithm Ambiguity core of today s best one of GPS positioning algorithm.