Ivan L Johnston

Title: Ivan L Johnston: Innovator in Global Navigation Satellite Systems

Introduction

Ivan L Johnston is a notable inventor recognized for his contributions to the field of global navigation satellite systems (GNSS). He has developed innovative techniques that enhance the security and reliability of satellite communications. His work is particularly significant in identifying and countering spoofing threats in GNSS.

Latest Patents

Ivan L Johnston holds a patent for a "Global navigation satellite system spoofer identification technique based on carrier to noise ratio signatures." This patent discloses a technique that provides countermeasures against spoofers. The method involves using a movable antenna to receive signals from space vehicles (SV) associated with a GNSS. By identifying SV signals with similar power and phase signatures, the technique can determine the existence of a spoofer based on these characteristics.

Career Highlights

Ivan L Johnston is currently employed at L3Harris Interstate Electronics Corporation, where he continues to work on advancements in satellite technology. His expertise in GNSS has positioned him as a key player in the development of secure navigation systems.

Collaborations

Throughout his career, Ivan has collaborated with talented individuals such as Gilberto Isaac Sada and Steven B Alexander. These partnerships have contributed to the successful development of innovative solutions in the field of satellite communications.

Conclusion

Ivan L Johnston's work in GNSS technology exemplifies the importance of innovation in enhancing the security of satellite systems. His contributions are vital in the ongoing efforts to combat spoofing threats and ensure reliable navigation for users worldwide.