Table 2. Characteristics of the Multispectral Scanners Systems. 
  
  
  
  
Characteristic Landsat 1 & 2 MMS MSS 
| Spectral Range (um) 0.5-1.1 0.38-1.06,8-14 0.34-13.00 
pl Number of Bands 4 11 24 
Total Field of View (degrees) 11.56 110 80 
Normal Operational Altitude 
Above Ground (km) 944 0.5-6.1 0.5-6.1 
Instantaneous Field of View (m) 79 1-15 1-12 
Precision of Data (bits) 5-6 8 8 
  
Table 3. Characteristics of the Spectrometer and Radiometer Systems. 
  
  
NASA/ JSC Purdue/LARS NASA/JSC Purdue&TAMU 
Characteristic FSS Exotech 20C FSAS Exotech 100 
Spectral Range (um) 0.4-2.5, 0.4-2.4 0.4-2.5, 0.5-1.1 
6.0-16.0 2.8-13.4 3-14 
Spectral Resolution @ 1.0 (um) .025 .025 . 0064 3 
Scan Time (scan/sec) 1 .033-2.0 10 
Field of View (degrees) 22 15 and 3/4 11 15 
Boom Length (m) 8,8 13,11 
Normal Operational Altitude 
Above Ground (m) 60 6 6 2 
Data Storage Format Digital Analog Digital Hard 
Tape Tape Tape Copy 
Camera Focal Length (mm) 76 55 50 
Field of View (degrees) 36 43 46 
Film Type 70 mm 35 mm 35 mm 
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