GPS systems are increasingly vulnerable to jamming, prompting companies like TrustPoint and Xona Space Systems to innovate with new satellite technologies. TrustPoint aims to deploy small satellites closer to Earth that transmit higher-frequency, encrypted signals, reducing the effectiveness of jamming devices. Xona Space Systems plans to offer signals 100 times stronger than current GPS, providing two-centimeter precision and incorporating a watermark for added security. These advancements could significantly enhance GPS reliability and security, crucial for both military and civilian applications.
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