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About David Lawrence

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David Lawrence is the principal navigation architect for Satelles. In addition to authoring more than 20 papers and more than 30 patents, Dr. Lawrence has developed high-performance navigation software that has been deployed in aircraft landing, precision agriculture, mining, transportation and machine automation.

Posts by David Lawrence

Innovation: Navigation from LEO Posted on 30 Jun 2017 in the Featured Stories & From the Magazine & GNSS & Innovation categories.

Current Capability and Future Promise
GPS signals are so weak, they cannot be used reliably where they are obstructed such as indoors or in concrete canyons. But if the satellites were much closer, their signals would be much stronger. The low Earth orbit Iridium constellation is already orbiting, and providing a PNT service. This month we learn about its current capability and future promise. Read more»