《GPS World》,2013年2月刊放眼当今卫星导航领域,美国GPS星座一家独大的时代早已一去不复返,几大全球卫星导航系统的共存与竞争已经成为新时代的首要主题。与此同时,中国北斗卫星导航系统部署进程的加快及其“接口控制文件”(ICD)的公布,也引发了国外各界的空前关注与广泛猜测。前美国导航学会(ION)主席约翰·拉弗拉卡斯(John Lavrakas) “GPS World”, February 2013 Publication In the field of satellite navigation, the era of the dominant American GPS constellation has gone forever. The coexistence and competition of several major global satellite navigation systems have become the primary themes of the new era. At the same time, the acceleration of the deployment of China’s Beidou satellite navigation system and the publication of its “Interface Control Documents” (ICDs) have also drawn unprecedented attention and extensive speculation from all walks of life in the world. John Lavrakas, former president of the ION,