CONTENTS 
1. INTRODUCTION 
2 ORIGIN AND DEVELOPMENT .. 
3. OUTLINE OF THE SYSTEM 
Characteristics 
Equipment 
4. USE OF MOBILE DECCA CHAINS 
5. THE DECCA NAVIGATOR AS AN AID TO AIR SURVEY 
Navigation 
Tracking 
Fixing 
Air Survey Equipment 
6. FUTURE DEVELOPMENTS 
UHF Decca .. 
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12 
12 
15 
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17 
  
  
  
Le EAN es, 
  
  
  
sacar NE