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Space & Earth

A graphic detailing the different areas of GNSS coverage. (Credits: NASA)

NASA explores upper limits of GNSS for Artemis mission

January 5, 2021

By Danny Baird ​NASA’s Space Communications and Navigation program office The Artemis generation of lunar explorers will establish […]


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The Sentinel-6 Michael Freilich spacecraft undergoes tests at its manufacturer Airbus in Friedrichshafen, Germany, in 2019. The white GNSS-RO instrument can be seen attached to the upper left portion of the front of the spacecraft. (Photo: Airbus)

Sentinel-6 sea-level mission to use GNSS-RO for weather and climate monitoring

September 4, 2020

To get the best measurements of Earth’s atmosphere, you sometimes have to leave it. This November, the Sentinel-6 […]


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Image: NOAA

NOAA report supports GNSS-RO for weather and space forecasts

June 30, 2020

On June 26, the U.S. National Oceanic and Atmospheric Administration (NOAA) released the summary of the results of […]


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One of Spire's Satellite Manufacturing Technicians (Tomasz Chanusiak) tests the Radio Frequency capabilities of a LEMUR2 nanosatellite in Spire's cleanroom in Glasgow, Scotland. (Photo: ESA)

ESA’s Pioneer mission sends GNSS-RO nanosatellites into orbit

December 3, 2018

News from the European Space Agency (ESA) Two tiny GNSS-RO nanosatellites now circle the Earth, ready for action. The […]


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Photo: GeoOptics

Severe Weather Study Shows Potential of GNSS-RO Satellites

January 11, 2015

GeoOptics, a satellite-based environmental data services company, in cooperation with Atmospheric and Environmental Research (AER), an environmental research and development company, has announced the initial results of an Observing System Simulation Experiment (OSSE) showing the reliability of radio occultation data in improving predictions of severe weather and flash flood events.


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