Greetings TOM!   
      
      
    RW> TW>> Again you are not paying attention. Tjhere are TWO Styles of LPA   
    RW> TW>> antennas.   
      
    RW>> Yeah, one with the boom in parallel and one with the booms at a   
    RW>> 7.5deg angle to each other. You have proved that with the link   
    RW>> below. What you're missing is that you're thinking in terms of a   
    RW>> yagi and not in terms of a LPA...   
      
    TW> What we have here is a Termonology Gap.   
    TW> What you are caling "Booms" are really Antenna "Elements"(Directors,   
    TW> reflectors etc).   
      
   Find another word for booms, if that bothers you. Each part of an antenna   
   is an element, whether it is a boom, a director or a reflector, although   
   there are no such elements as the latter in a LPA, only on a yagi.   
      
    TW> And YES the elements for the style LPA you are talking about are   
    TW> mounted perpendulclar to the antenna "Boom" (Support structure) and   
    TW> there are two suppport structures and the left elements are mounted   
    TW> on one and the right elements on the other.   
      
   Now you've got it.   
      
    TW> The one I am referencing are mounted at an angle and AL on the same   
    TW> support boom.   
      
   AL = are?   
      
    TW>  They aqre also insulated from the Boom and the connection to each   
    TW> element alternates in connection to the feed line as in the picture I   
    TW> referenced.   
      
   Which is a yagi...   
      
    RW> TW>> the one i am adressing is only a Single Boom with all the   
    TW> elements RW> TW> instlated form the Boom the enable ht6e unique   
    TW> wiring arangement..   
      
    RW>> That would be a yagi.   
      
    RW>> Every element in a LPA is part of the antenna, where none of the   
    RW>> elements are insulated from the booms..   
      
    RW> TW>> Here is a picture reference site:   
      
    RW> TW>> http://www.antenna-theory.com/antennas/wideband/log-periodic-dip   
    RW> TW>> ole .p hp   
      
    RW>> "If we assume 3 active elements as in Figure 2, then one could argue   
    RW>> that this antenna resembles somewhat a 3-element Yagi-Uda Antenna.   
    RW>> That is, the driven arm is in the center, the reflector element is   
    RW>> the longer dipole to the right, and the director is the shorter   
    RW>> dipole to the left as seen in Figure 2. As such, the direction of   
    RW>> peak radiation for the LPDA in Figure 2 is towards the left."   
      
    RW>> Then, if you click on the 'yagi-uda antenna' link in that text, you   
    RW>> get this;   
      
    RW>> "The Yagi antenna consists of a single 'feed' or 'driven' element,   
    RW>> typically a dipole or a folded dipole antenna. This is the only   
    RW>> member of the above structure that is actually excited (a source   
    RW>> voltage or current applied). The rest of the elements are parasitic"   
      
    RW>> Note that in the LPA, each element and the boom are driven   
    RW>> (excited)...   
      
    RW>> Thanks for helping to make my point.   
      
      
       Have a day!   
      
            R\%/itt - K5RXT   
      
   --- GoldED+/W32 1.1.5-31012   
   --- D'Bridge 3.99   
    * Origin: HAM Radio, aka Amateur Radio. 804? Over! (1:387/22)