Campaign GPS antenna on Kīlauea's south flank at Pu‘ukapukapu inside Hawai‘i Volcanoes National Park.

The Past, Present, and Future of GNSS

Mark Altaweel

The Global Navigation Satellite System (GNSS) has emerged as the standard navigation system that provides global positioning for devices we use every day.

Satellite constellation. Image: NOAA, public domain

Benefits of Satellite-Based Augmentation Systems

Mark Altaweel

Satellite-Based augmentation system (SBAS) services provide capabilities to improve location data for global positioning system (GPS) devices.

An agriculture field in California. Photo: U.S. Geological Survey. Public domain

Geospatial Technology and Challenges of Contemporary Agriculture

Mark Altaweel

Farmers have greater access to geospatial tools that can help mitigate some agricultural challenges.

Can GPS work on the moon? Some researchers believe so.

Can GPS Work on the Moon?

Caitlin Dempsey

NASA researchers found that existing GPS satellites can provide navigational signals to the moon, aiding astronauts in future lunar missions.

Using GPS to Improve the Accuracy of Drone Mapping

Mark Altaweel

By improving the precision of the GPS devices on UAVs, it is now possible to create much more accurate maps without needing to physically visit the area in order to ground truth.  

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