VERTICAL DISTRIBUTION OF THE REFRACTIVE INDEX 217 



DISTANCE IN KILOMETERS 

 I 

 GLASGOW DODGE CITY LAKE CHARLES 



Figure 5.50. Space cross section in A units, 1500Z, 20 Feb. 1962. 



I80300Z I8I500Z I90300Z 



I9I500Z 200300Z 



DAY AND HOUR 



20I500Z 2I0300Z 2II500Z 



Figure 5.51. Time cross section, Glasgow, Mont., in A units. 



