December 26, 2024 D. J. Gondelach, R. Linares “Real‐Time Thermospheric Density Estimation via Radar and GPS Tracking Data Assimilation” Space Weather [15427390] 19.4 (2021): . Print. Share this 19.4 (2021): . Print."] Related Stories See all news NPR Short Wave Podcast: Why you shouldn’t be afraid of flying, according to flight expert Mark Drela Startup’s autonomous drones precisely track warehouse inventories See all news