XPost: rec.radio.amateur.antenna   
   From: jeff@ukra.com   
      
   > An acceptable choke can be a coil made of the feedline coax, correct?   
      
      
   Depends on the frequency in question.   
      
   > My understanding is you have to match any magnetic material to the   
   > frequency in use while an air core doesn't have that complication.   
   >   
      
   True, but  at lower frequencies it is not possible to get enough   
   inductance without a magnetic core of some sore in a reasonable size.   
      
   Jef   
      
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