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The Institute of Navigation is the world’s premier professional society advancing the art and science of positioning, navigation and timing (PNT).
- Secure your early registration rate! Register for ITM/PTTI 2025 by Friday, January 3 to save $200 on your registration. Register now: info.ion.org/itm
- Your donations help support ION programs that enhance education and the ION professional community. Donate today: ion.org/about/donate.c… *ION is a 501(c)3 charitable organization. Your donations to ION may be tax-deductible. Consult your tax professional for details.
- Tightly Coupled Graph Neural Network and Kalman Filter for Smartphone Positioning
- Ready to share your expertise at the world’s largest technical meeting and showcase of GNSS technology, products, and services? Submit your abstract today: info.ion.org/gnss25
