GPS stands for Global Positioning Systems and it is an important technology for GIS data collection.

A photograph from 1911 showing how a car navigation device was written to the gears in order to track mileage.

Before There was GPS: Personal Navigation in the Early 20th Century

Caitlin Dempsey

Here are a few creative ways inventors tried to make driving directions easier before there was GPS.

Screenshot showing the mapping of the real-time location of the International Space Station.

Real-time Satellite Tracking

Caitlin Dempsey is an online service that offers satellite tracking and information in real-time.

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.

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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