| CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS
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Measurements > Land >
Soil moisture >
Freeze/thaw
  | Measurement Definition*: Flag indicating whether the land surface is frozen or not
Thematic Links |
| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
SGR-ReSI-CDHS
Space GNSS Receiver - Remote Sensing Instrument, CoreDHS avionics | Operational
| 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. | n/a |  |
SGR-ReSI-Z
Space GNSS Receiver - Remote Sensing Instrument (Zynq based) | Being developed
+/-90 % | Ocean winds, waves, soil moisture, flooding, ice, snow | n/a | |
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* Description adapted from WMO.
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