Povedať prúd zrkadlo gps is leo or meo holič plošina borovica
Record-Breaking NASA Mission Advances High-Altitude GPS | NASA
Types of Satellite Systems - Javatpoint
Medium Earth orbit - Wikipedia
Orbital Mechanics 202
MEO – Glossary
New-Age Satellite-Based Navigation STAN: Simultaneous Tracking and Navigation with LEO Satellite Signals - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design