NextNav SPAC Presentation Deck

WO Pinnacle System THE EXECUTION CHALLENGE FOOTE 3 Pressure-based altitude requirements ● ● Reference pressure at a known height Environment pressure at the user location Difference between these pressures determines user altitude relative to known reference height Limitations of existing pressure-based systems ● None required or were able to achieve 1 floor level (10 feet) accuracy Errors of ~100's of feet of accuracy was considered acceptable Key challenges for a mass market solution Significant drift in low-cost pressure sensors used commonly in mass market devices today Lack of accurate local real time reference pressure N NEXTNAV 27

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