Height (Km) 
  
20 
1 
f3 
10 14 
  
1 E 
0 0.05 0-10 0.15 
Weighting functions (Km) 
Fig.(2)- Weighting functions 
of atmospheric sensing at micro- 
wave frequencies, Notice the low 
information content near 30 km. 
ratio 
Normalized kernel 
  
987 
  
  
  
10 20 50 100 200 500 1000 
Depth - Meters 
Fig.(3)- The ratio between kernels indicating 
the range of depths over which resistivity pro- 
files could be retreived. 
" 
3 
e 
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