GPS and GNSS are amazing. We designed Satellite Time and Location (STL), the service that we offer, to complement those capabilities. We have focused on three areas where GPS could use complementary service. First, we provide a fully independent source of PNT. Second, we focused on the high-power aspect of STL to enable us to reach indoors and other places where GPS does not reach. Because STL comes from LEO satellites, the signals are naturally at a higher power. We also focused on improving the indoor penetration capability by enhancing the signal design and doing some other things. Third, we use modern cryptographic techniques to ensure the security and resilience of the system, specifically to intentional misdirection attacks.
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