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USGS
VAST
Mission Name
Mission Status
Current+Future
Current
Future
Complete
All
Instrument Name
Instrument Status
Operational+Future
Operational
Future
All
---
Approved
Being developed
No longer considered
No longer operational
Proposed
TBD
Applications
Type
All
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Atmospheric chemistry
Atmospheric temperature and humidity sounders
Cloud profile and rain radars
Communications
Data collection
Earth radiation budget radiometers
Gravity instruments
High resolution optical imagers
Hyperspectral imagers
Imaging microwave radars
Imaging multi-spectral radiometers (passive microwave)
Imaging multi-spectral radiometers (vis/IR)
In situ
Lidars
Lightning sensors
Magnetic field
Multiple direction/polarisation radiometers
Ocean colour instruments
Other
Precision orbit
Radar altimeters
Scatterometers
Space environment
TBD
Spatial Resolution Best
All
---
< 1 m
1-10 m
10-100 m
100 m+
---
< 10 m
< 100 m
All Specified
Technology
All
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Absorption-band MW radiometer/spectrometer
Atmospheric lidar
Broad-band radiometer
Cloud and precipitation radar
Communications system
Data collection system
Doppler lidar
Electric field sensor
GNSS radio-occultation receiver
GNSS receiver
Gradiometer/accelerometer
High resolution optical imager
High-resolution nadir-scanning IR spectrometer
High-resolution nadir-scanning SW spectrometer
Imaging radar (SAR)
Laser retroreflector
Lidar altimeter
Lightning imager
Limb-scanning IR spectrometer
Limb-scanning MW spectrometer
Limb-scanning SW spectrometer
Magnetometer
Medium-resolution IR spectrometer
Medium-resolution spectro-radiometer
Multi-channel/direction/polarisation radiometer
Multi-purpose imaging MW radiometer
Multi-purpose imaging Vis/IR radiometer
Narrow-band channel IR radiometer
Non-scanning MW radiometer
Radar altimeter
Radar scatterometer
Radio-positioning system
Satellite-to-satellite ranging system
Solar irradiance monitor
Space environment monitor
Star tracker
Data Access
All
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Open Access
Constrained Access
Very Constrained Access
No Access
All Specified
Waveband
All
---
UV (~0.01 µm - ~0.40 µm)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
SWIR (~1.3 µm - ~3.0 µm)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)
FIR (~15.0 µm - ~0.1 cm)
MW (~0.1 cm - ~100 cm)
Ka-Band (26.5 to 40 GHz)
K-Band (18 to 26.5 GHz)
Ku-Band (12.5 to 18 GHz)
X-Band (12.5 - 8 GHz)
C-Band (8 - 4 GHz)
S-Band (4 - 2 GHz)
L-Band (2 - 1 GHz)
P-Band (0.999 - 0.2998 GHz)
W-Band (94 GHz)
Comms (RF) (~0.03 - ~300 GHz)
Comms (optical) (>100 THz)
10 results per page
25 results per page
50 results per page
All results per page
Filtered by:
GNSS Reflectometer, excluding type: Precision orbit — All statuses, All data access
Instrument
Agency
Missions
Status
Type
Measurements &
applications
Technical characteristics
DDMI
Delay Doppler Mapping Instrument
NASA
(
NOAA
)
Current:
CYGNSS
Future: -
Complete: -
Operational
Other
Constellation of bistatic radar receivers using GPS satellite transmitters to detect ocean surface roughness and estimate near-surface wind speed from calm sea through hurricane force conditions and under all levels of precipitation.
Waveband:
Microwave: 1.575 GHz
L-Band
Spatial resolution:
20-50 km (variable in ground processing)
Best resolution: 20000 m
Swath width:
Field of view of potential GPS specular point contacts extends 740 km cross-track in both port and starboard directions.
Accuracy:
wind speed RMS retrieval uncertainty: 2 m/s for winds less than 20 m/s and 10% for winds greater than 20 m/s
Data Access:
Open Access
Data Format:
NetCDF
SGR-ReSI-Z
Space GNSS Receiver - Remote Sensing Instrument (Zynq based)
UKSA
(
ESA
)
Current:
HydroGNSS
Future: -
Complete: -
Being developed
Other
Ocean winds, waves, soil moisture, flooding, freeze / thaw state over permafrost, biomass, ice, snow
Waveband:
L-Band (1575 MHz & 1176 MHz)
L-Band
Spatial resolution:
25 km for diffuse scattering, <1 km resolution for coherent reflections
Best resolution: 500 m
Swath width:
Tracks sampled up to approx 700 km apart, wider possible with different antenna, more channels
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%.
Data Access:
Open Access
Data Format:
NetCDF L1b (Delay Doppler Maps) and L2 (Soil Moisture, Freeze Thaw, Inundation, Biomass, Ocean wind speed, Sea Ice Extent)
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