Measurements and Applications
                  
                
               
              
                Radar backscatter measurements of land, water and ocean surfaces for applications in soil moisture, crop applications (under cloud cover), terrain mapping, etc.
              
              
              
                Full Name
                
                  Synthetic Aperature Radiometer (RISAT)
                
                Status
                
                  Operational
                
               
              
                
                  Instrument Agencies
                
                
                Maturity
                
                  
                
               
              
                
                  Instrument Type
                
                
                  Imaging microwave radars  
                 
                Geometry
                
                  Side-looking
                
               
              
                
                  Instrument Technology
                
                
                  Imaging radar (SAR)
                
                Sampling
                
                  Imaging
                
               
              
                
                  Data Access
                
                
                  Constrained Access
                
                
                  Data Format
                
                
                  
                
               
              
              
                Resolution
                
                  3 - 6 m (FRS-1), 9 - 12 m (FRS-2), 25/50 m (MRS/CRS)
[Best Resolution: 3m]
                
               
              
                Swath
                
                  30 km (HRS), 30 km (FRS-1/FRS-2), 120/240 km (MRS/CRS)
[Max Swath: 240 km]
                
               
              
              
                Waveband
                
                  C-Band (5.350 Ghz)
                
               
              
                
                
                  
                    
		
			| MW (~0.1 cm  -  ~100 cm) | 
			| C-Band (8 - 4 GHz) | 
	
                  
                 
               
              
              
                
		
			| RISAT-1 - Radar Imaging Satellite (2012 - 2018)  | 
			| RISAT-1A - Radar Imaging Satellite (2022 - 2027)  | 
			| RISAT-1B - Radar Imaging Satellite (2025 - 2025)  |