VERTICAL DISTRIBUTION OF THE REFRACTIVE INDEX 219 



180300Z iSISOOZ I90500Z I9I500Z 200300Z 20I500Z 2I0300Z 2II500Z 



DAY AND HOUR 

 Figure 5.54. Time cross section, Dodge City, Kans., in A units. 



3,000 



2,500 



O 



I80300Z I8I500Z I90300Z I9I500Z 200300Z 20I500Z 2I0300Z 2II500Z 



DAY AND HOUR 

 Figure 5.55. Time cross section, Oklahoma City, Okla., in A units. 



