THE CEOS DATABASE : MISSION, INSTRUMENTS AND MEASUREMENTS

IdentifiersralNamesSAR Radar AltimeterSRAL About identifiers

Marine and land services.

Full Name

SAR Radar Altimeter

Status

Operational

Instrument Agencies

ESA, EUMETSAT, COM

Maturity

Instrument Type

Radar altimeters

Geometry

Nadir-viewing

Instrument Technology

Radar altimeter

Sampling

Other

Data Access

Open Access

Data Format

Resolution

300 m
[Best Resolution: 300m]

Swath

Profiling

Accuracy

3 cm in range (1 s average, 2 m SWH including atm. corrections)

Waveband

Dual freq radar altimeter, Ku-band, C-band

MW (~0.1 cm - ~100 cm)
Ku-Band (12.5 to 18 GHz)
C-Band (8 - 4 GHz)

Sentinel-3 A - Sentinel-3 A (2016 - 2026) sentinel-3-a_sral

Sentinel-3 B - Sentinel-3 B (2018 - 2028) sentinel-3-b_sral

Sentinel-3 C - Sentinel-3 C (2026 - 2036) sentinel-3-c_sral

Sentinel-3 D - Sentinel-3 D (2029 - 2039) sentinel-3-d_sral

*ECV*	*Description*	*Product(s)*	*ECV Inventory 3.0 Record(s)*
Sea Ice	click here	click here	search ECV Inventory records
Sea Level	click here	click here	search ECV Inventory records
Sea State	click here	click here	search ECV Inventory records
Water Vapour (upper air)	click here	click here	search ECV Inventory records

Category	Parameter
Atmospheric Humidity Fields	Atmospheric specific humidity (TC)
Gravity, Magnetic and Geodynamic measurements	Geoid
Ice sheet topography	Sea-ice sheet topography
Landscape topography	Land surface topography
Ocean surface winds	Wind speed over sea surface (horizontal)
Ocean topography/currents	Sea level
	Ocean dynamic topography
Ocean wave height and spectrum	Significant wave height
Sea ice cover, edge and thickness	Sea-ice cover
	Sea-ice thickness