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What SAR imagery products are available with Capella?

Capella Space provides two primary SAR imagery product types—Single Look Complex (SLC) and Geocoded Terrain Corrected (GEO)—across its Spotlight, Sliding Spotlight, and Stripmap collection modes.

Single Look Complex (SLC) 

  • Contains both amplitude and phase of the radar signal  
  • Range-compressed and focused SAR image in slant-range geometry 
  • Georeferenced using orbit data and Range-Doppler projected 

Product 

Collection Type

Collect Mode 

Nominal Scene Size 

Azimuth Resolution 

Slant Range Resolution 

Look Angle Range 

Spot SLC

Spotlight Ultra

Spotlight

5 km x 5 km

0.25 m 

0.25 m / 0.3 m

15° to 50°

Spotlight

0.5 m

Site SLC 

Spotlight Wide

Sliding Spotlight 

10 km x 20 km 

1.0 m 

0.5 m 

Strip SLC 

Stripmap - 20 / 50 / 100

Stripmap 

5-8 km x 20 / 50 / 100 km 

1.2 m 

0.75 m 


Geocoded Terrain Corrected (GEO) 

  • Contains amplitude information only 
  • Range-compressed, detected, focused and multi-looked SAR image 
  • Multi-look techniques applied to enhance radiometric resolution 
  • Terrain-height corrected using a high-resolution Digital Elevation Model (DEM) 
  • UTM-WGS84 map projection

Product

Collection Type

Collect Mode

Nominal Scene Size

Azimuth Resolution

Ground Range Resolution

Look Angle Range

Spot GEO 

Spotlight Ultra

Spotlight 

5 km x 5 km 

0.5 m 

0.4 m to 1.3 m 

15° to 50° 

Spotlight

1.0 m

Site GEO 

Spotlight Wide

Sliding Spotlight 

5 km x 10 km 

1.0 m 

0.7 m to 2.3 m 

Strip GEO 

Stripmap - 20 / 50 / 100

Stripmap 

5 km x 20 km 

1.2 m 

1.1 m to 3.3 m