52 A WORLD ATLAS OF ATMOSPHERIC RADIO REFRACTIVITY 



Table B-l. (Continued) 



* Less than 3 years of data. 

 t No elevation given. 



180 150 120 90 60 30 30 60 90 120 150 180 



180 150 120 90 60 30 



30 60 90 120 150 180 



Figure B-l. Location of AN data stations 



