Measurements and Applications
Ocean winds, waves, soil moisture, flooding, ice, snow. Similar to SGR-ReSI-Z, but with a smaller Zynq, and only supports 2 RF channels, only allowing collection of single frequency and single polarisation.
Full Name
Space GNSS Receiver - Remote Sensing Instrument, CoreDHS avionics
Status
Operational
Instrument Agencies
Maturity
Instrument Type
Other
Geometry
Nadir-viewing
Instrument Technology
GNSS receiver
Sampling
Other
Resolution
25 km for diffuse scattering, <1 km resolution for coherent reflections
[Best Resolution: 500m]
Swath
Tracks sampled up to approx 700 km apart, wider possible with different antenna, more channels
[Max Swath: 700 km]
Accuracy
Goals: Soil Moisture: 0.04 m3/m3, Freeze-Thaw: 90%, Inundation: 90%, Biomass: 20%, Ocean wind Speed: 2 m/s, Sea ice extent: 90%.
Waveband
L-Band (1575 MHz & 1176 MHz)
DoT-1 - Demonstration of Technology-1 (2019 - 2025) |