1250MHz is one of the popular bands in frequency allocation, benefit from its capability of long signal transmission, low attenuation comparing to mmWave band etc. There are two main applications of this band.1.  Satellite communication: In the 1250MHz frequency band, it is mainly used for communication between satellites and ground stations.Satellite communications can achieve wide-area cove……

Global Navigation Satellite System (GNSS), also known as global satellite navigation system, is a space-based radio navigation that can provide users with all-weather 3-dimensional coordinates, speed and time information at any point on the earth’s surface or in near-earth space. GPS. It consists of one or more constellations of satellites and their augmentation systems needed to support a particu……