Antennas are crucial for any satellite-based system, including GPS. This article explores the different antennas used in GPS, breaking them down into the space segment, control segment, and user segment. The evolution of GPS satellites, from Block I to the upcoming Block III, highlights the advancements in antenna technology. The Operational Control System ensures the proper functioning of GPS, with dedicated ground antennas and monitor stations worldwide. GPS receivers require antennas to capture signals from multiple satellites, with patch antennas and quadrifilar helix antennas being popular choices. The integration of GPS with other technologies has revolutionized navigation and tracking applications.
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