1902.] affecting the Transmission of Electric Waves. 



263 



Percentage 

 of maximum 



distance 

 over land to 

 over sea. 



78 (T.) 

 67 (T ) 



Over 63 

 30 



Less than 

 40 (T.) 



Maxinuim signal 

 distance. 



Over 

 the 

 land. 



miles. 

 35 



30, but 

 none 



from 10 

 to 14 



85 and 

 over 



40 



None at 

 18 



At sea. 



5 rH rt 



CD r& 



HI 



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In ^ * 



53 "S 

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O TS 

 i-i C3 



51 



53 a 



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10 + CO CM 

 r-l CO «— 1 



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