C-Band SAR Instrument

Measurements and Applications

Marine core services, land monitoring and emergency services. Monitoring sea ice zones and arctic environment. Surveillance of marine environment, monitoring land surface motion risks, mapping of land surfaces (forest, water and soil, agriculture), mapping in support of humanitarian aid in crisis situations.

Instrument Summary

Full Name
C-Band Synthetic Aperture Radar
Status
Operational
Instrument Agencies
ESA
Maturity
Instrument Type
Imaging microwave radars
Geometry
Side-looking
Instrument Technology
Imaging radar (SAR)
Sampling
Imaging
Data Access
Open Access
Data Format

Performance Summary

Resolution
Strip mode: 9 m, Interferometric wide swath mode: 20 m, extra-wide swath mode: 50 m, wave mode: 50 m
[Best Resolution: 9m]
Swath
Strip mode: 80 km; Interferometric wide swath mode: 250 km, extra-wide swath mode: 400 km, Wave mode: sampled images of 20 x 20 km at 100 km intervals
[Max Swath: 400 km]
Accuracy
NESZ: -22 dB; PTAR: -25 dB; DTAR: -22 dB; Radiometric accuracy 1 dB (3 sigma); Radiometric stability: 0.5 dB (3 sigma)
Waveband
C-band: 5.405 GHz; HH, VV, HH+HV, VV+VH; Incidence angle: 20-45
MW (~0.1 cm - ~100 cm)
C-Band (8 - 4 GHz)

Instrument Missions

Sentinel-1 A - Sentinel-1 A (2014 - 2025)
Sentinel-1 B - Sentinel-1 B (2016 - 2022)
Sentinel-1 C - Sentinel-1 C (2024 - 2034)
Sentinel-1 D - Sentinel-1 D (2025 - 2035)
S1NG-A - Sentinel-1 Next Generation A (2032 - 2040)
S1NG-B - Sentinel-1 Next Generation B (2034 - 2042)

Instrument Measurements