TAG: GNSS reflectometry

July 2018 global wind speed map from the new service. (Image: SSTL)

Using GNSS, new service maps wind speed over oceans

August 1, 2018

The first global GNSS-reflectometry ocean-wind data service has been launched by Surrey Satellite Technology Ltd. (SSTL) with the […]


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Once the deployment module on the Orbital ATK Pegasus XL launch vehicle reaches its final altitude of approximately 510 kilometers above the Earth’s surface, the eight CYGNSS microsatellite observatories will be deployed in opposing pairs over a two minute period. (Image credit: University of Michigan)

NASA launches micro satellites with GNSS receivers for remote weather sensing

December 15, 2016

Surrey Satellite Technology’s Space GNSS Receiver Remote Sensing Instrument (SGR-ReSI) is the primary payload onboard NASA’s CYGNSS constellation, […]


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The TechDemoSat-1 satellite, built by Surrey Satellite Technology Ltd. (Photo: SSTL)

Wind-speed data based on ocean surface using GNSS-R

December 6, 2016

The National Oceanography Centre (NOC) has developed global wind speed products based on reflected GPS signals, using data […]


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GNSS-R Data collections. The measured reflection tracks are shown in yellow over the Globe. A sequence of Delay Doppler Maps from one track is shown below — the spread of each is related to the sea surface roughness and surface wind speed.

New GNSS weather datasets available from TechDemoSat-1

November 29, 2016

New weather datasets, which could prove highly valuable for weather forecasting and for longer term climate monitoring, have […]


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