[Antennas] lindenblad antenna

Terry Conboy n6ry at arrl.net
Fri Dec 31 09:52:44 EST 2010


On 2010-12-30 12:00 PM, normn3ykf at stny.rr.com wrote:
> Anyone have any experience building or using one of these for 432? Is the construction worth it? Looks kind of complex mechanically.
> Thanks, Norm McSweyn

Did you see the article by AA2TX in the Feb 2010 QST on a parasitic 
version of the Lindenblad?  I thought that was pretty clever, since it 
makes the feed a lot simpler and you don't need any insulators in the 
four elements for the feeds.  There's an earlier version here: 
http://www.stalad.it/iz4bqv/antspec/2006ParaLindy.pdf  It would seem 
that a j-pole feed would work for the center dipole, too.

Here is another neat idea for construction at 432:  
http://home.earthlink.net/~w6rmk/antenna/bucket1.htm

I've never built one, but I have EZNEC models of both the parasitic and 
standard versions if anyone interested.  It also appears to work well 
with only three elements, although this probably makes construction more 
difficult.

73, Terry N6RY




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