有关GPS程序设计中的周跳探测和海洋潮汐改正。对学习GPSS定位程序设计的初学者有一定借鉴作用，已通过测试。 -Correction related to the GPS program design cycle slip detection and ocean tides. A reference for the learning GPSS orientation program designed for beginners, has been tested.

Visual C++ 开发 GIS 与 GPS ，提供在线首发GPSS定位信息，显示坐标点，轨迹回放，GIS地图放大、缩小、选种等等操作。 -Visual C++ development of GIS and GPS to provide location information of the first online GPSS, display coordinates, track playback, GIS map to enlarge, shrink, selection, etc.

这是一个用GPSS的小程序，模拟物料运输过程。-This is a small program with GPSS to simulate the material handling process.