GPS/GLONASS receiver is used to determine the position and speed of the spacecraft in an inertial coordinate system and sets the time stamp. GPS / GLONASS receiver is developed by SPUTNIX specialists based on many years of experience in ADCS systems designing. This device is made as part of an ideology about the unity of hardware and software solutions of the company's product line. As a result, it allows you to effectively use it with third-party on-board systems, as well as providing the fastest possible hardware and software integration into the spacecraft board with other SPUTNIX on-board systems.