HG>TW>.......... The origional implementation had to have ALL the "Elements"   
   HG>TW>insulated from the support boom and wiring used to alteanate the left   
   HG>TW>and right conections as in figure 1 in my reference web page.   
      
   HG>In the RSGB VHF/UHF Manual that antenna type is called "Log-periodic   
   HG>Yagi bandpass antenna". That is also the basis for the "Swan Yagi" as   
   HG>made by the Swan TV antenna manufacturer in the US and also presented   
   HG>by Ed Tilton, W1HDQ in the QST magazine.   
      
   I cannot come up with any pictures on the interent of a Yagi that loks   
   like my Picture ! in my previous posts.   
   YES a multipuls band Yagi will have different director lengths but they   
   are the same length for each band and do not follow the full tapering   
   lengths of the LPDA   
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