
SAR
Specifications
- Best resolution
- 25 cm
- Imaging modes
- Spotlight and Stripmap
- Bands
- X-band and C-band
- Revisit
- 105 × a day
- Interferometry
- 1 mm/yr
- Collection window
- Day and night
Dwell
How long the radar stays pointed at one spot while the satellite flies past it. Radar builds its picture from the angles it sees the spot across: a short look gives a blur, a longer one a sharp image.






Side view, angles exaggerated · X-band 3.1 cm · 645 km slant range
- Dwell
- View angle
- Resolution
Gallery
Select a frame to open it at full resolution.

Detects
- Flood extent while the storm is still overhead
- Vessels at sea, including those not transmitting AIS
- Ground displacement to the millimetre, via interferometry
- Structures, soil moisture, surface roughness








