卫星星空图显示

WGS84BJ54两种空间直角坐标系的转换,由空间直角坐标到大地坐标的转换.-WGS84BJ54 two space rectangular coordinate system conversion, from the Cartesian coordinates of the space geodetic coordinates of the conversion.

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.

应用于手机下载的一款较实用的软件。该软件能帮你让手机下载多种资源-used in cell phone download one of the more practical software. The software allows the phone to help you download a variety of resources

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

GPS多路径效应的谱分析工具，结合TEQC软件使用。-GPS multi-path effects of spectral analysis tools, combined with the use of TEQC software.

QLandkarte - use your Garmin GPS with Linux Requirements: * > Qt 4.2.x (Qt 4.1.x will not work!) * > proj4 4.4.x * > libusb 0.1.x - QLandkarte- use your Garmin GPS with Linux Requirements: * > Qt 4.2.x (Qt 4.1.x will not work!) * > proj4 4.4.x * > libusb 0.1.x

NMEA 0182 faq file in detail

GPS单点定位的滤波程序，可以获得速度信息和位置信息,实现卫星坐标计算，地面点坐标计算，精度指标计算和输出到Excel。

gps 卫星位置的计算 坐标系转换 功能很强大，适合工程人员使用-gps satellite position calculation, coordinate system conversion, function is powerful and suitable for use by project team members

GPS signal Pulling in Tracking range