IEEE Geoscience and Remote Sensing Magazine - December 2014 - 40

July 2014. Now, both in Europe and in the U.S., researchers are planning new missions that will continue further
use of the GNSS-R technique for remote sensing purposes.
The launch of a demonstration GNSS-R instrument will be
conducted in 2015 onboard the European 3Cat-2 satellite.
The NASA CYGNSS constellation is planned for launch in
October 2016. It will consist of eight small satellite observatories. The goal of the proposed mission is to provide
researchers with ocean surface winds throughout the life
cycle of hurricanes for better weather forecasting.
These days we are witnessing how the GNSS-R remote
sensing is coming out of its infancy and heading toward a
more mature state. There are a number of challenges ahead
that need to be addressed, but a vision for GNSS-R remote
sensing looks promising both for airborne and spaceborne
systems. They can nicely complement existing radar and radiometer remote sensing, and in some situations can provide unique opportunities and capabilities that cannot be
achieved by existing traditional remote sensing tools.
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