GPS

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

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

Fun with GPS

Caitlin Dempsey

A multitude of games and alternatives have emerged to capitalize on the affordability of handheld GPS units.

Screenshot of a Zipments app on a phone.

Crowdshipping: the Newest Development in Mobile GPS

Tracy Dash

Crowdshipping is the delivery of goods based on the selection of a courier closest to the delivery route. The service ...

GPS Experts Call for Safeguards After GLONASS Outage

GIS Contributor

The Russian GLONASS global satellite navigation system went down for 13 hours on April 2, but it’s not causing much ...

The Enhanced 24 GPS satellite constellation. Source: Schriever AFB.

Global Navigation Satellite Systems

Caitlin Dempsey

Few tools have helped change and improve data collection within the field of Geographic Information Systems (GIS) more than Global Positioning System (GPS).

This station contains a combined GPS and seismometer. Photo: USGS geologist viewing the northeastern slope of Mount Hood from Shellrock monitoring station, Liz Westby, USGS Cascades Volcano Observatory. Public domain, July 16, 2015.

What is GPS?

Rachel Quist

So, what exactly is GPS? How does GPS work?