SAR (RCM) Instrument

Identifiersar-rcmNamesSynthetic Aperture Radar (SAR) C bandSAR (RCM) About identifiers

Measurements and Applications

All-weather, C-band data to support ecosystem monitoring, maritime surveillance and disaster management.

Instrument Summary

Full Name
Synthetic Aperture Radar (SAR) C band
Status
Operational
Instrument Agencies
CSA, NRCAN, DND, DFO, AAFC, ECCC, PSC
Maturity
High Heritage - Operational
Instrument Type
Imaging microwave radars
Geometry
Side-looking
Instrument Technology
Imaging radar (SAR)
Sampling
Imaging
Data Access
Constrained Access
Data Format
Image Products in a format that uses GeoTIFF for imagery and XML for metadata, or NITF for imagery and metadata.

Performance Summary

Resolution
Low Resolution 100 m and Low Noise: 100 x 100 m (8 looks); Medium Resolution 50 m: 50 x 50 m (4 looks); Medium Resolution 30 m: 30 x 30 m (4 looks); Medium Resolution 16 m: 16 x 16 m (4 looks); High-Resolution 5 m: 5 x 5 m (1 look); Very High Resolution 3 m: 3 x 3 m @35deg (1 look); Spotlight: 1 x 3 m @35deg (1 look); Quad-Pol: 9 x 9 m (1 look).
[Best Resolution: 1m]
Swath
Low Resolution 100 m: 500 km; Medium Resolution 50 m: 350 km; Low Noise: 350 km; Ship Detection: 350 km; Medium Resolution 30 m: 125 km; Medium Resolution 16 m: 30 km; High-Resolution 5 m: 30 km; Very High Resolution 3 m: 20 km; Spotlight: 20 km [5 km along-track]; Quad-Pol: 20 km.
[Max Swath: 500 km]
Accuracy
Absolute Radiometric Accuracy: +/- 1.0 dB
Waveband
Microwave: C band 5.405 GHz: HH, VV, HV, VH polarization - includes Quad polarization imaging mode and compact polarimetry.
MW (~0.1 cm - ~100 cm)
C-Band (8 - 4 GHz)

SAR Parameters

Compiled from the 2026 Extended Parameters Survey, agency-nominated technical contacts and published user guides; not yet collected through the annual CEOS MIM survey.
Band
C-Band
Centre Frequency
5.405 GHz
Max Bandwidth
100 MHz
Polarisation Channels
HH · HV · VV · VH
Polarisation Modes
single · dual · quad · compact
Look Direction
Right (nominal Right)
Antenna
Active phased array — 6.75 × 1.38 m
Polarisation Notes
Dual co-cross selectable pol, and compact-pol available on all modes; dual HH-VV available for specific modes with HH and VV acquired in different bursts, and a dedicated quad pol mode
Source
2026 Extended Parameters Survey (CSA, 2026-09-29)

Imaging Modes

Compiled from the 2026 Extended Parameters Survey, agency-nominated technical contacts and published user guides; not yet collected through the annual CEOS MIM survey.
ModeResolution az × rg (m)Swath (km)Incidence (°)PolarisationNESZ (dB)Feeds product
Low Resolution 100 m SC100M
General purpose
100 × 10050019.02–55.08HH; VV; HV; VH; HH+HV; VV+VH; HH+VV; CH+CV-22
Medium Resolution 50 m SC50M
General purpose
50 × 5035019.02–58.71HH; VV; HV; VH; HH+HV; VV+VH; HH+VV; CH+CV-22
Medium Resolution 30 m SC30M
General purpose
30 × 3012517.3–48.3HH; VV; HV; VH; HH+HV; VV+VH; HH+VV; CH+CV-24NRCan RCM NRB (CEOS-ARD) · NRCan RCM POL (CEOS-ARD)
Medium Resolution 16 m 16M
General purpose
16 × 163020.18–47.43HH; VV; HV; VH; HH+HV; VV+VH; HH+VV; CH+CV-25NRCan RCM NRB (CEOS-ARD) · NRCan RCM POL (CEOS-ARD)
High Resolution 5 m 5M
General purpose
5 × 53019.02–54.14HH; VV; HV; VH; HH+HV; VV+VH; HH+VV; CH+CV-19
Very High Resolution 3 m 3M
General purpose
3 × 32018.25–54.15HH; VV; HV; VH; HH+HV; VV+VH; HH+VV; CH+CV-17
Ship Detection SCSD
Ship detection
35039.82–58.24HH
Spotlight FSL
General purpose
1 × 320 (5 along-track)19.42–46.75HH; VV; HV; VH; HH+HV; VV+VH; CH+CV-17
Quad-Polarization QP
General purpose
9 × 92023.94–43.88HH+VV+HV+VH-24
Medium Resolution 50m-High PRF SC50MHIPRF
General purpose
50 × 5035019.02–58.71HH; VV; HV; VH; HH+HV; VV+VH; HH+VV; CH+CV-22
Medium Resolution 50m-High Incidence SC50ME
North pole observations
50 × 5013355.06–60.35HH; VV; HV; VH; HH+HV; VV+VH; HH+VV; CH+CV-22

Instrument Missions

RCM-1 - RADARSAT CONSTELLATION MISSION-1 (2019 - 2027) rcm-1_sar-rcm
RCM-2 - RADARSAT CONSTELLATION MISSION-2 (2019 - 2027) rcm-2_sar-rcm
RCM-3 - RADARSAT CONSTELLATION MISSION-3 (2019 - 2027) rcm-3_sar-rcm

Instrument Measurements