The article provides an in-depth view of keeping time and frequencies in case of satellite chain. When communicating over satellite system, it becomes important to keep the communication coherent as the space segment is usually above 36,000 Kilometers and there is a few seconds of delay between transmission and reception of the signals. By knowing exactly how much delay has happened, we can compensate for the same.

The section provides various tutorials on RF test and measurements. These include, co-axial insertion and return loss measurement, spectrum analyzer measurements, and noise figure measurements. An article on coax cable construction and assembly is also provided.