Would require vethugy 
© construction oy lle) te 
line point in ever 
nt of suppl 
hy 
y Second Qt 
émentary y. 
ordinates, it js quite gi 
ust be correcteq for the f 
n APR data (infrared oll 
ex equipment, Distances y 
Were suprisingly good, i va 
pment (chiefly Uncertainty 
id only graphical Dlotting i 
i 
Du 
reoplanigraph (8, 4 den] 
t. It was the first flight vi 
y because of Very al 
drift of about 20°, very Iy 
ning camera, ete.) the pf 
spite of it, the mean Sq 
in x was — 53 m A ti 
not entirely developed anii 
rtical photographs only, 
as carried out by the Phi 
of short radar profile Tli 
was flown at the altitude 
A, f = 153 mm. For oblig 
was extended from Renfıer, 
egion is flat. At about 2 f 
vwa River, which at this port 
nsecutive photographs oly: 
visible 1). In order to brilg 
out 11,000 m altitude md: 
the photographic strip un 
ort central portion was nui 
rom a different altitude 
quality, but infrared olli 
take, a camera not refocusel 
unsharp images. 
as done on an A7 Autogal 
cedure of relative oriental 
| method. The work wa: je 
; was replaced. 
» 6 pairs from an altitude 
nd one horizontal point & 
the necessary check poils! 
     
      
    
    
    
      
    
   
   
   
    
   
    
   
    
    
   
  
  
  
   
300 km 
300km 
300km 
300 
  
  
oo 
  
  
200 
  
o 
99 999 
8m (Axial points) 
e 
t6 4m 
o 
Mo. 
Fig. 5. 
x 
ERRORS IN Y 
ERRORS IN X 
  
150 
ERRORS IN ELEVATION 
  
o p 
9 P 
9o 
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Ec o 
  
o 
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o o 
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50 km 
T 
50 km 
50km 
  
  
  
  
Errors i Elevation