Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
This is the Russian GPS constellation. The signals cannot be picked up on ordinary GPS units and the receivers are expensive. Due to budgetary restraints the system has few satellites at the moment and is not relevant to the consumer. Certain academics and scientists use the GPS/GLONASS capable receivers for complex applications that require higher accuracy in the vertical plane.
