CONTENTS 



CHAPTER PAGE 



Summary 1 



PART I 

 HISTORY 



1 Origin and Organization 5 



2 Objectives and Research Agencies 9 



3 Chronological Record 13 



4 Results and Recommendations 25 



PART II 

 SUMMARY 



5 Standard Propagation 31 



6 Elementary Theory of Nonstandard Propagation 42 



7 Meteorological Measurements 50 



8 Transmission Experiments 58 



9 General Meteorology and Forecasting 75 



10 Scattering and Absorption of Microwaves 82 



PART III 



CONFERENCE REPORTS ON STANDARD 

 PROPAGATION 



11 A Graphical Method for the Determination of Standard 

 Coverage Charts 93 



12 Nomographic Solutions for the Standard Case 95 



13 Theoretical Analysis of Errors in Radar Due to 

 Atmospheric Refraction 106 



14 Diffraction of Radio Waves over Hills 110 



15 Siting and Coverage of Ground Radars : . . 113 



16 Variations in Radio Coverage 178 



XI 



