Frank Gerlach 
  
on, TDI, 
n image, 
The pan 
5 pixels. 
) spectral 
> change 
8 counts, 
lectivity, 
inal QSE 
electrons 
  
Figure 3 Example of IKONOS Pan image taken of Tiennamen Square 
apper, 
550 650 
Wavelength (nm) 
  
Figure 4 Normalized multispectral filter response 
3. Calibration 
3.1 On-orbit MTF measurement 
  
International Archives of Photogrammetry and Remote Sensing. Vol. XXXIII, Part B1. Amsterdam 2000. 131