Sunday, September 8 — 11:30 AM - 2:30 PM

Avionics - II Track

Topics Covered
    • Introduction to the earth’s atmosphere
    • Troposphere and ionosphere
    • The role of solar radiation in the state of our atmosphere
    • Integrity monitoring; with and without augmentation
    • Reference locators and the basics of GNSS augmentation
    • The US Space-based augmentation system, SBAS; WAAS
    • The US Ground-based augmentation system, GBAS; LAAS
    • Using augmented GNSS for enroute, terminal and approach procedures
    • Augmentation vulnerabilities
    • GNSS’s role in ADS-B

    Al Helfrick

    Embry-Riddle Aeronautical University

    Dr. Al Helfrick is a Professor Emeritus at Embry-Riddle Aeronautical University. He started his career in radiation hardening of military systems, then after a stint in the military (including a tour of duty in Vietnam), continued in the fields of cable television, test and measurement, avionics and finally as an independent consultant.  He joined ERAU in 1991 and retired in 2015 after serving as both a professor and department chairman.  He is still active in academia, continues to publish and present papers at conferences, and occasionally regales audiences with reminiscences from his career.