Beidou system uses two geostationary satellites (GEO) to measure the user's two-way distance, and a ground center station equipped with an electronic elevation library performs position calculation.
According to a report on the US C4ISR website on December 7, 2020, the US Space Force recently announced that after necessary upgrades to existing ground systems, warfighters will have limited access and use new military GPS M-code signals.
With the progress of the technological development, the positioning of the Internet of Things has achieved a qualitative leap in terms of key technology, accuracy, and ease of use.
Over the past 30 years, GPS World has been at the forefront of the transition of GPS from obscure technology to ubiquitous utility.
Car gps tracker, also known as car location tracker, is mainly car anti-theft GPS positioning product.
With the rise of the global economy, automobile manufacturing volume also breaks new highs every year, and the demand for car positioners is gradually rising
