Research & Development

Image: Chiociolla/ iStock / Getty Images Plus/Getty Images

November 17, 2023

Innovation Insights: Science in paradise

By Richard B. Langley

Figure 1: The side-facing horn antenna in its radome enclosure (left panel) and the hardware block diagram of the data collection system (right panel). (All figures provided by the authors)

November 17, 2023

Using GNSS Phase Reflectometry on Maui’s Haleakalā

By Brian Breitsch and Jade Morton

Spirent’s integrated, software-defined wavefront simulation system for a 5-element controlled reception pattern antenna (CRPA). Spirent solutions support 16+ antenna elements. (Image: Spirent)

August 29, 2023

Faux signals for real results: Spirent Communications / Spirent Federal Systems

By Matteo Luccio

Figure 3. European Galileo satellites provide an open authentication service on the E1 signal and a commercial authentication service on the E6 signal. (Image: European Space Agency)

August 28, 2023

Faux signals for real results: IFEN

By Matteo Luccio

View from a weather balloon at 100,000 feet. (Photo: NOAA)

August 23, 2023

Faux signals for real results: Racelogic

By Matteo Luccio

Image: Safran Federal Systems (formerly Orolia Defense & Security)

August 21, 2023

Faux signals for real results: Safran Federal Systems

By Matteo Luccio

August 17, 2023

Online Exclusive: Faux Signals for Real Results

By Matteo Luccio

August 14, 2023

Faux signals for real results: GNSS simulators keep up with a panoply of new signals

By Matteo Luccio

August 9, 2023

Far Out: Positioning above the GPS constellation

By Kirsten Strandjord and Faith Cornish

August 9, 2023

Innovation Insights: Falcon Gold analysis redux

By Richard B. Langley

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