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radar & radio

The Jicamarca Radio Observatory in Peru is up and running again after 50 years
Posted inResearch Spotlights

After Decades, High-Altitude Observations Revived at Jicamarca

by Mark Zastrow 2 March 201731 January 2022

Recent upgrades to the Jicamarca Radio Observatory in Peru allow it to probe electron densities several thousand kilometers above Earth, a feat it hasn't accomplished in 50 years.

Researchers put ground-penetrating radar data to the test to analyze the structure of aquifers
Posted inResearch Spotlights

New Ground-Penetrating Radar Method Shows Promise in Aquifer

Sarah Stanley, Science Writer by Sarah Stanley 6 February 201716 February 2022

Recent advances in ground-penetrating radar data analysis could help reveal aquifer structure in unprecedented detail.

Posted inEditors' Vox

Global Positioning System Sparks New Data Revolution

by D. J. Knipp 30 January 201712 January 2023

Energetic particle data from the Global Positioning System constellation opens avenues for new research.

Posted inResearch Spotlights

What Drives Variation in the Ionosphere’s Electron Density?

by K. J. Knizhnik 22 September 201625 August 2022

The long-term trend in the electron density of the ionospheric F layer may be natural, not man-made.

Posted inScience Updates

Where Does Lightning Come From?

by A. A. Chilingarian 15 April 201610 March 2023

Thunderstorms and Elementary Particle Acceleration (TEPA-2015); Yerevan, Armenia, 5–9 October 2015

Map of measured surface currents in the Malta Channel for 27 October 2015 at 11:00 GMT.
Posted inScience Updates

Growing Network of Radar Systems Monitors Ocean Surface Currents

by H. Roarty, L. Hazard and E. A. Fanjul 5 April 20166 June 2022

Fourth Meeting of the Global High Frequency Radar Network; Heraklion, Crete, Greece, 22–23 September 2015

Posted inResearch Spotlights

Gamma Ray Bursts Leave Their Mark in the Low Ionosphere

by L. Strelich 10 March 201610 March 2023

Scientists use very low and low-frequency radio signals to detect short gamma ray bursts and their impact on the low ionosphere.

Posted inResearch Spotlights

Radar Study Examines Pulsing Tropical Climate

by David Shultz 22 February 201617 August 2022

In the Madden-Julian Oscillation, shear forces caused by air layers slipping and sliding near the equator play a critical role in forming enormous thunderstorms and monsoons.

Posted inResearch Spotlights

Decoding the Radio Transmissions of Shooting Stars

by Mark Zastrow 26 January 201627 January 2022

Spectacular fireball meteors don't just light up the night sky—recent observations show they also emit mysterious high-frequency radio waves. Now scientists think they understand why.

Posted inNews

Antarctic Ice May Harbor Huge Network of Canyons

by S. Kelleher 22 January 20166 June 2022

Scientists saw hints in satellite data of dramatic geologic features under thousands of meters of ice in a little-probed part of East Antarctica. Now they are using airborne radar to explore further.

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